11 results
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Tachycardia (VT) AV ... bundle branch block ... bundle branch block ... #VTach #ECG #EKG ... Electrocardiogram #Diagnosis #Cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
, AFib w/ AV Block ... Block, Mobitz I ... AV Block, Mobitz ... II AV Block Wide ... SVT WI Wide QRS, Ventricular
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... block 1º - long ... block (lower AV ... block - ventricular
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
) block is not seen ... seen are sinus bradycardia ... block, ventricular ... Complete heart block ... #Diagnosis #Cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
block, also known ... node.Mobitz I heart block ... electrocardiogram (ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
block, also known ... node.Mobitz I heart block ... electrocardiogram (ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus bradycardia ... tachycardia (AVRT ... tachycardia (V-tach ... Fibrillation (V-Fib ... Diagnosis #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) • Sinus Bradycardia ... Syndrome • SA Block ... • AV Block (ISt ... interval) • AFib ... tachyarrhythmias #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... • 3° Complete Block ... hypokalaemia or bradycardia
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
Mobitz II heart block ... characterized on a surface ECG ... describing Mobitz II blocks ... #Clinical #EM #IM ... #Cardiology #MedStudent