14 results
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Medication Effect: a-blockers ... Bradyarrhythmias: Sinus bradycardia ... , Sinus pauses, ... AV block • Tachyarrhythmias
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Bradycardia Diagnostic ... and Management Algorithm ... sick sinus, AV block ... LIFE THREATENING CAUSES ... #Algorithm #Differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Vasovagal syncope ... Bradyarrhythmias • Sinus bradycardia ... • Sinus pauses ... • AV block ... Classification #Table #Causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... bpm) • Sinus Bradycardia ... Syndrome • SA Block ... • AV Block (ISt ... #causes
Complete (3rd Degree) Heart Block on ECG

ECG of a man brought to the ER by paramedics
Complete (3rd Degree ... ) Heart Block on ... an episode of syncope ... @EM_RESUS #Complete ... HeartBlock #ECG #EKG #Electrocardiogram
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
66 yo with syncope ... ECG shows a wide-complex ... bundle branch block ... There is a RS complex ... Cardiology #ECG #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... /3rd degree AV Block ... Tachy-Brady Syndrome #Syncope ... #causes
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... Block (nothing ... hypokalaemia or bradycardia
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
Causes of Syncope ... Differential Diagnosis Algorithm ... Atrioventricular Block ... Differential #Diagnosis #Algorithm ... #Causes