15 results
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
, AFib w/ AV Block ... Irregular: Sinus Arrhythmia ... w/ Variable AV Block ... , Mobitz I AV Block ... SVT WI Wide QRS, Ventricular
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV) block ... seen are sinus bradycardia ... first-degree AV block ... Complete heart block ... sino-atrial (SA) block
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... Diagnosis #EKG #electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Digoxin-Associated Arrhythmias ... unusually slow ventricular ... Complete Heart Block ... Tachycardia with 2:1 AV Block ... cardiology #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Diagnosis for Arrhythmias ... SA node: Sinus bradycardia ... rhythm, Conduction blocks ... system: Conduction blocks ... Fibrillation (V-Fib
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... bpm) • Sinus Bradycardia ... Syndrome • SA Block ... • AV Block (ISt ... interval) • AFib
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV Block ... Second Degree AV Block ... until a P wave (ventricular ... #heart #heartblock ... ekg #diagnosis #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Interval and Pro-Arrhythmic ... Bundle Branch Block ... Bundle Branch Block ... - Ventricular ... JTInterval #QTc #electrocardiogram
Complications Following Myocardial Infarction
Heart Failure - Ineffcient pumping of the heart.  Can be acute or
Arrhythmias - ... Tachycardia & Bradycardia ... Flutter) - Heart Block ... Ventricular Aneurysm