15 results
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
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... rhythm, Conduction blocks ... (1°, 3° and Type ... (1°, 3°, and Type ... #Diagnosis #Causes
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
: 3rd deg AV block ... , or, as this case ... dual-chamber PPM set ... for DDI and an atrial ... tachycardia much
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Syndrome • SA Block ... • AV Block (ISt ... with Variable AV ... Diagnosis #Algorithm #causes
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Type 1 (Weinckebach ... Type 2 "If some ... independently of the atria ... and the rate is set ... #ekg #diagnosis
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... AFIutter) • P-waves ... abnormality • Beware AV ... nodal blockers ... #Differential #
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... elevation: Differential ... tachycardia (SVT ... criteria only looks ... #differential #
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Type I - PR ↑ incrementally ... Type II - Suddenly ... @AmyChung #EKG
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... pathway which blocks ... - In most case ... ECG usually shows ... Pathophysiology #cardiology #SVT
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... in the chest or neck ... variable block ... atrioventricular block ... Palpitations #Cardiology #Differential