12 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... 60 (1) Sinus bradycardia ... block (lower AV ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... SA node: Sinus bradycardia ... rhythm, Conduction blocks ... (1°, 3° and Type ... (1°, 3°, and Type
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... bpm) • Sinus Bradycardia ... Syndrome • SA Block ... • AV Block (ISt ... with Variable AV
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
seen are sinus bradycardia ... ) block, AV disso­ciation ... tachycardia with ... vari­able AV block ... Diagnosis #Cardiology #EKG
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... : 3rd deg AV block ... dual-chamber PPM set ... for DDI and an atrial ... tachycardia much
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Type II - Suddenly ... hypokalaemia or bradycardia ... @AmyChung #EKG
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 #
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 ... dysfunction • Bradycardia-tachycardia ... Palpitations #Cardiology #Differential
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... pathway which blocks ... - Premature atrial ... ECG usually shows ... Pathophysiology #cardiology #SVT