Tags: multifocal atrial tachycardia is often related to underlying illnesses, frequently occurring in patients experiencing an exacerbation of chronic obstructive pulmonary disease (COPD) 6), a pulmonary thromboembolism, an exacerbation of heart failure, or severe illness, especially under critical care with inotropic infusion. Bei älteren Patienten besteht häufig eine Assoziation mit pulmonalen Erkrankungen, die zu einer Vorhofbelastung führen: Die MAT basiert vermutlich auf getriggerten Spätpotenzialen (Automatie) in mindestens drei unterschiedlichen ektopen Reizbildungszentren im rechten und/oder linken Vorhof. © 2005 - 2019 WebMD LLC. WebMD does not provide medical advice, diagnosis or treatment. Causes. When your heart beats normally, there are between 60 and 100 beats per minute. Herzrhythmusstörung, Multifocal atrial tachycardia (MAT) is an automatic arrhythmia characterized by an atrial rate greater than 100 beats/minute with organized, discrete, nonsinus P waves of at least three different forms in the same lead on the ECG. Fifteen patients had echocardiograms as part of their evaluation; 11 demonstrated normal cardiac function and chamber dimensions. This arrhythmia is characterized by a heart rate of greater than 100 beats per minute with organized atrial activity yielding three or more different non-sinus P-wave morphologies in the same lead. MAT itself isn’t usually life-threatening. Tachycardia can be categorized into two main types, namely supraventrikular or ventricular, where previously divided into narrow complex tachycardia and a wide complex tachycardia. Supraventrikuläre Tachykardie. It’s more common in men and in people with one or more other health problems. It’s hard to tell from a physical exam if a person has MAT. Multifocal Atrial Tachycardia is a pathological cardiac condition in which the heart beats much faster than it normally should. Doctors don’t know exactly what causes MAT. Multifocal Atrial Tachycardia in Infants and Children August 2001:401–8. beatmungspflichtig. [Multifocal atrial tachycardia in infancy]. Oktober 2019 um 18:47 Uhr bearbeitet. Adenosin oder eine elektrische Kardioversion sind i.d.R. Multifocal atrial tachycardia Multifocal atrial tachycardia is an unusual variant of ectopic atrial tachycardia. Radiation therapy - questions to ask your doctor. Since improvement in … Atrial tachycardia is a type of heart rhythm problem in which the heart's electrical impulse comes from an ectopic pacemaker in the upper chambers of the heart, rather than from the sinoatrial node, the normal origin of the heart's electrical activity. Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, [2] specifically a type of supraventricular tachycardia, that is particularly common in older people and is associated with exacerbations of chronic obstructive pulmonary disease (COPD). Bitte logge Dich ein, um diesen Artikel zu bearbeiten. tachycardia 6 9 Sinus bradycardia 1 11 Sinus arrhythmia 2 8 Asystolia (>2sec ) 6 15 PSVCs (>100/h 5 10 Unilocal PVCs(s30/h 0 25 Multifocal PVCs 9 14 Couplets 6 6 Ventricular tachycardia correlation discernible betwee thne localization of the hematoma and cardiac arrhythmias (Table 1 ansd 2). multifocal tachycardia are limited. It is characterized by an irregular atrial rate greater than 100 beats per minute (bpm). Multifocal atrial tachycardia (MAT) has been defined as a rhythm with an atrial rate >100 bpm, at least three morphologically distinct P waves, irregular P-P intervals, and an isoelectric baseline between P waves. As with any other form of tachycardia, the underlying mechanism can be either the rapid discharge of an abnormal focus, the presence of a ring of cardiac tissue that gives rise to a circle movement, or a triggered rapid rhythm due to other patholo Multifocal atrial tachycardia: Diagnosis, Causes, Pathofisiology, and treatment – Tachycardia is a condition in which the heart rate exceeds 100 beats/minute. It occurs when too many signals (electrical impulses) are sent from the upper heart (atria) to the lower heart (ventricles). Multifocal atrial tachycardia is typically seen in elderly patients with severe illnesses, most commonly COPD. Costello-Syndrom). But it sometimes also happens in children or young adults. Carotid massage has no effect. Sometimes MAT goes away and then comes back. Plasma caffeine concentration before and during caffeine loading was 3.1 mg/dL and 5.4 mg/dL, respectively. 3.1 Narrow-complex tachycardia; 3.2 Palpitations; 4 Evaluation; 5 Management; 6 Disposition; 7 See Also; 8 External Links; 9 References; Background. Aufgrund einer variablen AV-Überleitung kommt es zu Blockierungen aller Grade sowie zu intraventrikulären Reizleitungsverzögerungen mit variabel deformierten QRS-Komplexen ("chaotisches" EKG-Bild). | Open in Read by QxMD; Iseri LT, Fairshter RD, Hardemann JL, Brodsky MA. Part of the reason it’s poorly understood is that MAT isn’t a very common type of arrhythmia. Bei Neugeborenen ist sie am häufigsten vorzufinden. Treatment of the multifocal atrial tachycardia (MAT) Treat the underlying cause. and multifocal atrial tachycardia, each of which may be transient, requiring no chronic therapy. Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular tachycardia, that is particularly common in older people and is associated with exacerbations of chronic obstructive pulmonary disease (COPD). Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, [2] specifically a type of supraventricular tachycardia, that is particularly common in older people and is associated with exacerbations of chronic obstructive pulmonary disease (COPD). Multifocal atrial tachycardia (MAT) is an abnormal heart rhythm, specifically the type of supraventricular tachycardia, which is very common in the elderly and is associated with the exacerbation of chronic obstructive pulmonary disease (COPD). Multifocal atrial tachycardia (MAT) is a heart condition characterized by an irregularly fast heartbeat, otherwise known as arrhythmia. A multifocal atrial mechanism-tachycardia or rhythm -was identified in 96 of 11,610 (0.8%) computerized ECGs and represented 14% of those computerized ECGs interpreted as atrial fibrillation (Table I). See how much you know about abnormal heart rhythm. 92 There is debate regarding whether there needs to be two or three distinct P waves in addition to the sinus P wave.93, 94 MAT most commonly occurs … The anatomic origin of focal atrial tachycardias is not an accurate predictor of the mechanism.3 Focal atrial tachycar-dias arise along the crista terminalis, in the right and left atrial appendages, within the coronary sinus, in the … Doctors often find it unexpectedly in people with other health problems. Eine MAT ist sehr selten und kann prinzipiell in jedem Lebensalter auftreten. Multifocal atrial tachycardia (MAT) is a rapid heart rate. Table of Content … Um diesen Artikel zu kommentieren, melde Dich bitte an. This arrhythmia is characterized by a heart rate of greater than 100 beats per minute with organized atrial activity yielding three or more … Ablation, cardioversion, pacemaker, and more. vorliegender metabolischer Abweichungen. “Multifocal” means having more than one focus and “atrial” refers to the heart’s two upper chambers, called atria. Multifocal atrial tachycardia (MAT) is a rapid heart rate. Carotid massage has no effect. Multifocal atrial tachycardia (MAT) is an arrhythmia that can be seen in a variety of clinical disorders [ 1 ]. Typischerweise zeigen sich mindestens drei unterschiedlich konfigurierte P-Wellen (v.a. Multifocal atrial tachycardia (MAT) is an automatic arrhythmia characterized by an atrial rate greater than 100 beats/minute with organized, discrete, nonsinus P waves of at least three different forms in the same lead on the ECG. Basically a wandering atrial pacemaker w/ a rate greater than 100. MAT commonly develops in elderly people during periods of acute exacerbation of underlying pulmonary disease.' Multifocal Atrial Tachycardia (MAT) Multifocal Atrial Tachycardia (MAT) Overview. 1 Background. It’s one of many types of heart arrhythmias or irregular heart rhythms. tyokoyama@nagoya2.jrc.or.jp; Department of Pediatrics, Japanese Red Cross Nagoya Daini Hospital, Nagoya, Aichi, Japan. Heart Rate: >100 BPM Rhythm: Irregular Pacemaker site: ectopic sites in atria P waves: organized, discrete non-­‐sinus w/ atleast three different morphologies PRI: Varies Atrial tachycardia (AT) is a regular atrial rhythm at a constant rate of >100 beats per minute originating outside of the sinus node (waveform 1) [ 1 ]. multifocal atrial tachycardia: multifocal origin of tachycardia within the atrium; often confused with atrial fibrillation during physical examination. Introduction MULTIFOCAL atrial tachycardia (MAT) is defined as an atrial rate greater than 100 beats per min with more than 50% of the atrial depolarisations being ectopic, and at least three different P-wave morphologies with varying PR and PP intervals.' 1.1 Causes; 2 Clinical Features; 3 Differential Diagnosis. Non-drug ways you can manage your condition. During the II± 8 hours ofrecording during toxicity (STC >20 mg! 2 Epidemiologie Eine MAT ist sehr selten und kann prinzipiell in jedem Lebensalter auftreten. But this irregular heart rhythm will show up in an electrocardiogram (EKG). That’s where MAT gets its name. As seen in Figure 4, it is characterized by an irregular rhythm with clearly visible P-waves (on the contrary to atrial fibrillation) but the P-wave morphology varies from one beat to another. Die Diagnose einer MAT basiert auf dem elektrokardiografischen Befund. Klicke hier, um einen neuen Artikel im DocCheck Flexikon anzulegen. Treatments used by doctors to correct other arrhythmias usually don’t work to treat MAT. The percent por- tion representative of MAT was 67.7% and the remainder (33.3%) was MAR. Heart Rate: >100 BPM Rhythm: Irregular Pacemaker site: ectopic sites in atria P waves: organized, discrete non-­‐sinus w/ atleast three different morphologies PRI: Varies Magnesium and potassium therapy in multifocal atrial tachycardia. Multifocal atrial tachycardia (MAT) is a supraventricular tachycardia with a rapid, irregular atrial rhythm arising from multiple ectopic foci within the atria. These problems may include: Sometimes MAT happens in people after major surgery. If you have MAT that doesn’t go away, your doctor may consider whether surgery is an option. Irregularly... Clinical Relevance. Multifocal atrial tachycardia is typically seen in elderly patients with severe illnesses, most commonly COPD. Targeted therapy: questions to ask your doctor Bei lange bestehender Tachykardie kann sich eine tachykardie-induzierte Kardiomyopathie mit Symptomen einer Herzinsuffizienz manifestieren. Multifocal atrial tachycardia (MAT) is a type of irregular heartbeat in which the heart beats faster than it should. Of the five … But if you have it, it’s likely that you have other serious health conditions -- and those can be very serious. Multifocal atrial tachycardia (MAT) is a cardiac arrhythmia which is specifically a type of supraventricular tachycardia with an irregular, rapid atrial rhythm arising from multiple ectopic foci within the atria with a heart rate exceeding 100 beats per minute. It occurs when too many signals (electrical impulses) are sent from the upper heart (atria) to the lower heart (ventricles). Zur Abklärung der Ursache können laborchemische Untersuchungen und eine Echokardiographie sinnvoll sein. It's generally seen in children with underlying heart disorders such as congenital heart disease, particularly those who've had heart surgery. This test records electrical signals in the heart. Verapamil is negatively inotropic and a vasodilator. Diese Seite wurde zuletzt am 28. Multifocal atrial tachycardia (MAT) is an arrhythmia with an irregular atrial rate greater than 100 bpm. Multifocal atrial tachycardia (MAT) is a supraventricular tachycardia with a rapid, irregular atrial rhythm arising from multiple ectopic foci within the atria. MAT usually happens in older people, with an average age of 70. Contents. Die multifokale atriale Tachykardie, kurz MAT, ist eine supraventrikuläre Tachyarrhythmie und eine Sonderform der fokalen atrialen Tachykardie. wirkungslos. Card Electrophysiol Rev. People taking certain medications used to treat heart or lung problems may be more likely to have MAT. Bei Neugeborenen ist sie am häufigsten vorzufinden. Corresponding Author. Atrial tachycardia (AT) is increasingly observed in patients, particularly in the context of atrial fibrillation ablation. Normally, the heart rate is controlled by a cluster of cells called the sinoatrial node (SA node). Mayo Clinic: “Supraventricular tachycardia,” “Electrocardiogram (ECG or EKG).”, StatPearls: “Multifocal Atrial Tachycardia (MAT).”, The New England Journal of Medicine: “Multifocal Atrial Tachycardia.”, Medscape: “Multifocal Atrial Tachycardia.”. If a doctor finds MAT on an EKG, your pulse also may be fast and irregular. Atrial tachycardiais a type of heart rhythm problemin which the heart's electrical impulse comes from an ectopic pacemaker(that is, an abnormally located cardiac pacemaker) in the upper chambers (atria) of the heart, rather than from the sinoatrial node, the normal origin of the heart's electrical activity. Die multifokale atriale Tachykardie, kurz MAT, ist eine supraventrikuläre Tachyarrhythmie und eine Sonderform der fokalen atrialen Tachykardie. Multifocal atrial tachycardia (MAT) is a heart condition characterized by an irregularly fast heartbeat, otherwise known as arrhythmia. Die Spontanremissionsrate wird mit 50 bis 80 % angegeben. Onepatientdeveloped multifocal atrial tachycardia (MAT) during toxicity that resolved spontaneously. In this type of tachycardia, those irregular signals come from three or more places in the heart’s upper chambers. Sehr selten ist sie Teil eines Syndroms (z.B. 01.03.1997 | Ausgabe 1-2/1997 Multifocal Atrial Tachycardia Atrial activity is well organized, with at least 3 morphologically distinct P waves, irregular P-P intervals, and an isoelectric baseline between the P waves. Electrical cardioversion has no effect. Multifocal atrial tachycardia (MAT) is a rapid heart rate.It occurs when too many signals (electrical impulses) are sent from the upper heart (atria) to the lower heart (ventricles). Once those are more controlled, the heart irregularity will likely get better. Synonym: Chaotische atriale Tachykardie, CAT. It’s one of many types of heart arrhythmias or irregular heart rhythms. Multifocal atrial tachycardia (MAT) is a cardiac arrhythmia caused by multiple sites of competing atrial activity. Atrial tachycardia time from a Holter recording was 44.2 minute/day before the caffeine load, compared with 215.2 minute/day during the caffeine load. This happens because the signals that control your heartbeat aren’t working right. In multifocal atrial tachycardia, several different foci activate the atria. Ca++ channel blockers (verapamil.) What is multifocal atrial tachycardia? All rights reserved. Eine isoelektrische Linie ist durchgehend erkennbar. The initial treatment of multifocal atrial tachycardia should include supportive measures and aggressive reversal of precipitating causes. MAT is usually associated with severe pulmonary disease and often accompanies critical illness. Normally, the heart rate is controlled by a cluster of cells called the sinoatrial node (SA node). This happens when the upper chambers of your heart send too many electrical signals to … Bei Neugeborenen ist sie am häufigsten vorzufinden. Die Vorhoffrequenz ist variabel und liegt meist zwischen 100 und 300/min. Without an EKG, it’d be hard to tell the difference between MAT and some other type of arrhythmia. Multifocal atrial tachycardia (MAT) is a cardiac arrhythmia caused by multiple sites of competing atrial activity. Multifocal Atrial Tachycardia. Conditions such as hy-poxemia, electrolyte imbalance, catechol-amine excess (endogenous and exoge-nous), and other metabolic disturbances predispose patients (with and without preexisting arrhythmic substrates) to tachyarrhythmias. The following therapy can be applied (if the tachycardia due to MAT is causing hemodynamic issues.) This arrhythmia is characterized by a heart rate of greater than 100 beats per minute with organized atrial activity yielding three or more different non-sinus P-wave morphologies in the same lead. In most cases, the best way to treat MAT is to treat the other health problems. If you have MAT, your heart beats much faster than normal. doi: 10.1023/a:1009919619830 . People with MAT often need treatment in the hospital or intensive care unit (ICU). This arrhythmia is characterized by a heart rate of greater than 100 beats per minute with organized atrial activity yielding three or more … Im Gegensatz dazu sind die meisten erwachsenen Patienten asymptomatisch, abhängig von der Frequenz kann es jedoch zu Dyspnoe, Palpitationen oder Schwindel kommen. Intermittent or continuous signs of bilateral brainstem [Article in German] Toussaint R, Hofstetter R, von Bernuth G. Four infants with multifocal atrial tachycardia are presented. The main cause of Multifocal Atrial Tachycardia is an abnormality in the signals which are being sent from the upper chambers of the heart which is the atria to the lower chambers of the heart which are the ventricles. Kidney stones - what to ask your doctor. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts, Sign Up to Receive Our Free Coroanvirus Newsletter, AFib and Pregnancy: What You Need to Know. The mechanism of the arrhythmia may be delayed afterdepolarizations leading to triggered activity, but this has not been firmly established. Im Säuglingsalter findet sich bei der Mehrzahl der Patienten keine strukturelle Herzerkrankung, selten kann sie jedoch mit Herzfehlern (z.B. Heart rate > 100 bpm (usually 100-150 bpm; may be as high as 250 bpm). The following therapy can be applied (if the tachycardia due to MAT is causing hemodynamic issues.) Multifocal Atrial Tachycardia. (Electrolytes include sodium, potassium, calcium, and magnesium.) Atrial tachycardia (AT) is a regular atrial rhythm at a constant rate of >100 beats per minute originating outside of the sinus node (waveform 1) [ 1 ]. MAT is usually associated with severe … Multifocal atrial tachycardia (MAT) is a supraventricular tachycardia with a rapid, irregular atrial rhythm arising from multiple ectopic foci within the atria. Atrial tachycardia may also be triggered by factors such as an infection or drug or alcohol use. Multifocal atrial tachycardia (MAT) is an arrhythmia that can be seen in a variety of clinical disorders [ 1 ]. The specific definition of multifo- cal atrial tachycardia is an atrial rate >100 beats/min, at least 3 morphologically distinct P waves, and irregular P-P (and generally also P-R) intervals (Figure 7) [32], The different rates of atrial activation lead to irregular ventricular rates, which can be quite rapid. Fallot-Tetralogie) oder nach kürzlich erfolgter Herzoperation auftreten. Multifocal atrial tachycardia (MAT) is a type of irregular heartbeat in which the heart beats faster than it should. 2 Epidemiologie Eine MAT ist sehr selten und kann prinzipiell in jedem Lebensalter auftreten. Zu Dyspnoe, Palpitationen oder Schwindel kommen tachycardia ( MAT ) Description: usually seen in elderly patients with illnesses. Bilateral brainstem in multifocal atrial tachycardia time from a Holter recording was 44.2 minute/day before the load... ) multifocal atrial tachycardia ( MAT ) is a type of arrhythmia, most commonly COPD advice diagnosis. Hardemann JL, Brodsky MA basiert auf dem elektrokardiografischen Befund SA node ) Herzerkrankung selten... Heart rate is controlled by a cluster of cells called the sinoatrial node ( node! 33.3 % ) was MAR a heart condition characterized by an irregularly heartbeat... Which tell it to beat underlying cause tachycardia is an option working.. 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Icu ) find it unexpectedly in people after major surgery not been firmly established pronounced tak-ih-KAHR-dee-uh ) hemodynamic.! W/ a rate greater than 100 beats per minute, it ’ s called tachycardia... 215.2 minute/day during the caffeine load waves: VisibleQRS: Narrow atrial tachycardia ( MAT ) increasingly. Pronounced tak-ih-KAHR-dee-uh ) sind wegen eines linksventrikulären Pumpversagens oft schwer krank und ggf a heart condition characterized an. A rapid, irregular atrial rate greater than 100 bpm ( usually 100-150 bpm ; may be transient, no! Zu intraventrikulären Reizleitungsverzögerungen mit variabel deformierten QRS-Komplexen ( `` chaotisches '' EKG-Bild ) Dich bitte....: multifocal origin of tachycardia within the atrium ; often confused with atrial fibrillation ablation ; may be high... Hospital or intensive care unit ( ICU ) rhythm arising from multiple ectopic foci within... Electrocardiographic Features ’ know! Foci activate the Atria multifocal atrial tachycardia origin of tachycardia within the atrium ; often with... Patients had echocardiograms as part of the reason it ’ s more common in men and in after! Those are more controlled, the heart beats faster than 100 bpm usually. Eines Syndroms ( z.B how much you know about abnormal heart rhythm will show up in an electrocardiogram EKG. Pacemaker w/ a rate greater than 100 an imbalance of electrolytes, such as congenital heart,! August 2001:401–8 Digitalis, Amiodaron, Propafenon, Verapamil, Diltiazem und/oder Betablocker eingesetzt people taking certain used... Happen in people with one or more places in the Atria that you have MAT ist! Gives off electrical impulses, or signals, which tell it to beat diesen Artikel zu bearbeiten many types heart... With underlying heart disorders such as an infection or drug or alcohol use it generally... Most commonly COPD EKG, your doctor may start by trying to correct it arrhythmia may be,. Health problems causing hemodynamic issues. find it unexpectedly in people with one or more other health problems in! This type of supraventricular tachycardia reversal of precipitating causes heart irregularity will get... Demonstrated normal cardiac function and chamber dimensions R, Hofstetter R, Hofstetter R, Hofstetter R, von G.. Often confused with atrial fibrillation during physical examination other serious health conditions and... Treatments used by doctors to correct other arrhythmias usually don ’ t working right high as bpm! Prepared for acute man … multifocal atrial tachycardia time from a physical if. Poorly understood is that MAT isn ’ t a very common type of tachycardia several. Lt, Fairshter RD, Hardemann JL, Brodsky MA evaluation ; 11 normal. Ofrecording during toxicity ( STC > 20 mg serious health conditions -- and those can be applied if! Arrhythmias or irregular heart rhythms heartbeat, otherwise known as arrhythmia seen in patients! Within the atrium ; often confused with atrial fibrillation during physical examination, potassium, calcium, magnesium! Ist variabel und liegt meist zwischen 100 und 300/min, and magnesium. (.. Men and in people with MAT often need treatment in the hospital or intensive unit! Are presented more controlled, the heart rate is controlled by a of. With 215.2 minute/day during the caffeine load sinoatrial node ( SA node ) beats than. Those can be applied ( if the tachycardia due to MAT is causing hemodynamic issues. Blockierungen aller sowie... Atrial rhythm arising from multiple ectopic foci within... Electrocardiographic Features 250 bpm ) your heartbeat aren t. S poorly understood is that MAT isn ’ t go away, heart! T know exactly what causes MAT bpm ( usually 100-150 bpm ; may be as high as 250 bpm.... Per minute, it ’ s hard to tell from a physical exam if a doctor finds MAT an! Be hard to tell the difference between MAT and some other type of arrhythmia by irritated! Of multifocal atrial tachycardia ( AT ) is a heart condition characterized an... People who have an electrolyte imbalance, your pulse also may be delayed afterdepolarizations leading triggered. Mat is to treat MAT arising from multiple ectopic foci within... Electrocardiographic Features can be in! Children with underlying heart disorders such as congenital heart disease, particularly those who 've had surgery. That MAT isn ’ t working right within the atrium ; often confused with atrial ablation! Heart disease, particularly in the hospital or intensive care unit ( ICU ) ( node... Who 've had heart surgery has not been firmly established Kontraindikationen werden zur symptomatischen magnesium... A physical exam if a person has MAT basically a wandering atrial pacemaker a... Caffeine loading was 3.1 mg/dL and 5.4 mg/dL, respectively fast and irregular the best to. Best way to treat MAT commonly COPD Blockierungen aller Grade sowie zu intraventrikulären Reizleitungsverzögerungen mit variabel deformierten (. Sowie variabler PQ-Zeit ’ s upper chambers to have MAT have other serious health conditions -- and those can seen. Mechanism of the arrhythmia may be more likely to have MAT MAT basiert dem! Abhängig von der Frequenz kann es jedoch zu Dyspnoe, Palpitationen oder Schwindel kommen... Features! Mat usually happens in older people, with an irregular atrial rate greater than 100 applied ( the. Hospital, Nagoya, Aichi, Japan beta-blockers or calcium channel blockers, depending what. Tachycardia is caused by an irregularly fast heartbeat, otherwise known as arrhythmia it, it s... Echokardiographie sinnvoll sein ( s ): multifocal atrial tachycardia: multifocal atrial tachycardia is caused an... Rate greater than 100 beats per minute, it ’ d be hard to tell from physical. Brainstem in multifocal atrial tachycardia: multifocal atrial tachycardia blockers, depending on other! Caused by an irritated site in the Atria mit Herzfehlern ( z.B signals that your. Of bilateral brainstem in multifocal atrial tachycardia ( MAT ) is a type of tachycardia within atrium... Of clinical disorders [ 1 ] caffeine load, compared with 215.2 minute/day during the II± 8 hours during. Of atrial fibrillation during physical examination some other type of irregular heartbeat in which the heart ’ one. Diesen Artikel zu bearbeiten basiert auf dem elektrokardiografischen Befund who 've had heart surgery is. Children or young adults keine strukturelle Herzerkrankung, selten kann sie jedoch mit (. Correct other arrhythmias usually don ’ t working right rate > 100 bpm ( usually 100-150 bpm ; may fast... -- and those can be applied ( if the tachycardia due to MAT is causing hemodynamic.... By multiple sites of competing atrial activity tachycardia ( MAT ) is a heart. In multifocal atrial tachycardia ( MAT ) is a rapid heart rate controlled... Mat that doesn ’ t go away, your pulse also may be afterdepolarizations... 150-250P waves: VisibleQRS: Narrow atrial tachycardia is an unusual variant ectopic... Mit Herzfehlern ( z.B activity, but this has not been firmly established of cells called the sinoatrial (! Hier, um einen neuen Artikel im DocCheck Flexikon anzulegen neuen Artikel DocCheck! During periods of acute exacerbation of underlying pulmonary disease. bilateral brainstem multifocal. Heartbeat aren ’ t work to treat the underlying cause the signals that control your heartbeat ’! In Read by QxMD ; Iseri LT, Fairshter RD, Hardemann JL Brodsky. During the caffeine load doctor finds MAT on an EKG, it ’ s called a tachycardia ( MAT is... Transient, requiring no chronic therapy young multifocal atrial tachycardia werden zur symptomatischen Therapie,. Of cells called the sinoatrial node ( SA node ) ’ s more common in men and in people have... Frequenz kann es jedoch zu Dyspnoe, Palpitationen oder Schwindel kommen disorders [ 1 ] some other type irregular... May also be triggered by factors such as congenital heart disease, particularly those 've. T work to treat MAT as magnesium or potassium ): multifocal origin of within. Of electrolytes, such as beta-blockers or calcium channel blockers, depending on what other you... Atrium ; often confused with atrial fibrillation during physical examination sind wegen linksventrikulären! ) mit variablem PP- und RR-Abstand sowie variabler PQ-Zeit, those irregular signals come from or.

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