27 results
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... • AV block ... Differential #Diagnosis #Classification ... #Table #Causes
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 #cardiology
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 Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... 2nd/3rd degree AV ... #Cardiology #Differential ... #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
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
O - Obstructed AV ... is obstructed AV ... , can be caused ... characteristically cause ... ECG #Diagnosis #Cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
High-grade AV Block ... Paroxysmal AV Block ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... electrocardiogram #classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... inotropy) ACCP Cardiology ... #Pharmacology #Classification ... #Classes #pathophysiology ... #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs - Syncope ... assoc with 1K, AV ... block • ↓ Mg ... Wong @mchlwng #Syncope ... Checklist #diagnosis #cardiology
Arrhythmias - Differential Diagnosis Algorithm

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