14 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• First degree AV ... with syncope • ... • Reversible causes ... of AV block - ... #Indications #PPM
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
First, is it syncope ... from other causes ... Common causes of ... #Causes #Differential ... #Algorithm #Ddxof
Causes of Syncope #Diagnosis #EM #IM #Neuro #Syncope #Differential #Algorithm #Ddxof
Causes of Syncope ... EM #IM #Neuro #Syncope ... #Differential #Algorithm ... #Ddxof
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 ... differential #diagnosis #causes
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Framework Reflex Syncope ... bradycardia, Sinus pauses ... , AV block • Tachyarrhythmias ... Cerebrovascular Syncope
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Vasovagal syncope ... - Situational syncope ... bradycardia • Sinus pauses ... • AV block ... Classification #Table #Causes
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... 2nd/3rd degree AV ... Block • Pacemaker ... #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • AV Block (ISt ... with Variable AV ... Differential #Diagnosis #Algorithm ... #causes
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
assessment in Syncope ... O - Obstructed AV ... is obstructed AV ... , can be caused ... characteristically cause
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
waves indicate AV ... dissociation: 3rd deg AV ... block, or, as this ... case, VVI (asynchronous ... a dual-chamber PPM