24 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... Syndrome (SSS) • AV ... (1°, 3° and Type ... ) • AV node: AV ... (AVRT), AV nodal
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV ... electrocardiogram #cardiology #differential
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, Atrial Tachycardia ... flutter w/ variable AV ... atrial tachycardia ... SVT • Wide QRS ... with variable AV
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... , atrial tachycardia ... tachycardia (SVT ... #differential #
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... Type 2 "If some ... independently of the atria ... and the rate is set ... #ekg #diagnosis
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... : 3rd deg AV block ... 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 ... tachyarrhythmias #Cardiology #Differential
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
, first-degree AV ... ) block, AV disso­ciation ... tachycardia with ... vari­able AV block ... Diagnosis #Cardiology #EKG
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
(VT) AV indicates ... bundle branch block ... bundle branch block ... ; RWPT, R wave peak ... #VTach #ECG #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Type II - Suddenly ... in aVR Poor R wave ... all leads except aVR