25 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... injury from pericardial ... • Classic EKG ... , atrial tachycardia
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... #Multifocal #Atrial ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... ventricular response • Atrial ... Escape Rhythm • Atrial ... #Arrhythmias #diagnosis ... #ekg #electrocardiogram
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 ... Changes • STE in aVR ... Embolism #AcutePE #diagnosis
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • Premature atrial ... Monofocal Ectopic Atrial ... AVNRT • AVRT ... • Multifocal Atrial
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... block 1º - long ... #EKG #diagnosis
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
depression in aVR ... PR segment in aVR ... leads indicates atrial ... injury. stage 2 ... indefinitely inverted #Diagnosis
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
heart block, sino-atrial ... Non-paroxysmal atrial ... tachycardia with ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... criteria for the diagnosis ... dominant pacemaker focus ... #cardiology #ekg ... #comparison
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... Multifocal atrial ... rhythm & Multifocal atrial ... tachycardia ECG ... MAT #Multifocal #atrial