19 results
Differences between Mobitz Type I and Type II Second-Degree AV Block

#Mobitz #Wenckebach #TypeI #TypeII #Type1 #Type2
Second-Degree AV ... Block #Mobitz ... #Type1 #Type2 #AVBlock ... SecondDegree #Cardiology #Comparison
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... percentage of syncopal ... Brady (Sick sinus, AV ... block) • Tachy ... Others Non-syncopal
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• First degree AV ... with syncope • ... RBBB/LBBB with syncope ... Class Ill: • Syncope ... Reversible causes of AV
Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
Bradycardias Comparison ... - 1st DEGREE AV ... BLOCK - 2nd DEGREE ... AV BLOCK Type 1 ... Bradycardia #Common #Comparison
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Framework Reflex Syncope ... Sinus pauses, AV ... block • Tachyarrhythmias ... Cerebrovascular Syncope
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... 2nd/3rd degree AV ... Block • Pacemaker ... Tachy-Brady Syndrome #Syncope
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Classification Reflex Syncope ... - Vasovagal syncope ... - Situational syncope ... Sinus pauses • AV ... block - Tachyarrhythmias
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
assessment in Syncope ... O - Obstructed AV ... - Bifascicular block ... missed in the syncope ... is obstructed AV
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs - Syncope ... assoc with 1K, AV ... block • ↓ Mg ... Trifascicular block ... Wong @mchlwng #Syncope
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... with Variable AV ... Differential #Diagnosis #Algorithm