12 results
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
- Orthodromic AVRT ... - Antidromic AVRT ... : wide complex because ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... tachycardia ddx: AVNRT ... tachycardia (SVT) in wide ... #electrocardiogram ... #diagnosis #ekg
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... Bradyarrhythmias • Sinus bradycardia ... • AV block ... #Differential #Diagnosis ... Classification #Table #Causes
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 ... @EM_RESUS #AVRT ... #ECG #Electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... bpm) • Sinus Bradycardia ... Aflutter • AVNRT ... • AVRT (ie ... #Algorithm #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... or AVRT • Standing ... Red Flag Symptoms ... consciousness • Near-syncope ... , or syncope: Hemodynamically
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Tachyarrhythmias - HR > 100 Wide ... 200ms from longer pause ... can function) Wide ... #EKG #diagnosis ... #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... brady, peak T, wide ... assoc with 1K, AV ... #diagnosis #cardiology ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS often wide. ... to atropine if wide ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
> 40 ms (1 mm) wide ... all leads except aVR ... hypokalaemia or bradycardia ... #Electrocardiogram ... #cardiology #diagnosis