39 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... MAT #Multifocal #Atrial ... #Tachycardia #diagnosis ... #cardiology #EKG
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Tachycardia with ... Bidirectional Ventricular Tachycardia ... #Arrhythmias #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
(SA) block, AV disso­ciation ... Non-paroxysmal atrial ... tachycardia with ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... fibrillation, sinus tachycardia ... Atrioventricular dissociation ... , ventricular tachycardia ... #PhysicalExam #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... + retrograde atrial ... activation from SVT (e.g ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... AV Dissociation: ... evidence of AV dissociation ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Drive: • Sinus Tachycardia ... common finding) • Atrial ... also a result of atrial ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... : Differential diagnosis ... aVR • Classic EKG ... #ekg #differential ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... (3) SVTs - atrial ... tachycardia (MAT ... #EKG #diagnosis ... electrocardiogram #cardiology