6 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... - Wide vs Narrow ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... #Wide #Narrow #
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
abrupt rise in RA pressure ... EKG of the same ... to diagnose the case ... excludes other differentials ... of narrow complex
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Here’s a great ECG ... case of a 50-year-old ... Is it wide or narrow ... distinguishing QRS from T wave ... @EM_RESUS #AVRT
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
ST elevation: Differential ... elevation in aVR in narrow ... tachycardia • Narrow ... tachycardia (SVT) in wide ... #differential #
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... findings based on cause ... warm extremities, wide ... uw_IMresidency #Shock #Differential ... #Diagnosis #table
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Tachyarrhythmias - HR > 100 Wide ... 3 different P waves ... 200ms from longer pause ... can function) Wide ... electrocardiogram #cardiology #differential