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Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
BLOCK - 2nd DEGREE ... AV BLOCK Type 1 ... COMPLETE HEART BLOCK ... Cardiology #EKG ... #ECG #Bradycardia
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 ... II AV Block Unstable
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Block type II ( ... location of the block ... location of the block ... #Type2 #diagnosis ... #cardiology #ecg
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 ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
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 ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib ... block 1º - long ... block (lower AV ... block - ventricular ... #EKG #diagnosis
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
bundle branch block ... bundle branch block ... #VTach #ECG #EKG ... Electrocardiogram #Diagnosis ... #Cardiology
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Mobitz Type I (Wenckebach ... Block on EKG ... Visualmedapp #Mobitz ... #Block #AVBlock ... #diagnosis #cardiology
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
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 ... #Causes #cardiology