27 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... overdose: Prominent R wave ... prominent terminal R wave ... , atrial tachycardia ... tachycardia (SVT
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Cannon a waves ... : 3rd deg AV block ... for DDI and an atrial ... tachycardia much
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... 3 different P waves ... block (lower AV ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Type I - PR ↑ incrementally ... Type II - Suddenly ... in aVR Poor R wave ... all leads except aVR
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... rhythm, Conduction blocks ... (1°, 3° and Type ... system: Conduction blocks ... (1°, 3°, and Type
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... 3 different P wave ... "PSVT" (atrioventricular ... retrograde) - AVNRT, AVRT ... #differential #
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... completely absent, P waves ... independently of the atria ... and the rate is set
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... depression in aVR ... Bundle Branch Block ... bundle-branch block ... ; and sinus tachycardia
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Regular: Use P waves ... deflection not AVRT ... Irregular: Use P waves ... not Flutter P waves
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
tachycardia ECG ... • Some P waves ... are blocked or ... cardiology #diagnosis #ekg ... electrocardiogram #clinical #comparison