32 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... narrow QRS • Block
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Bradycardia Diagnostic ... and Management ... Algorithm CONSIDER ... sick sinus, AV block ... THREATENING CAUSES & TREATMENT
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... • Pulmonary Embolism ... /3rd degree AV Block ... #Algorithm #causes
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
- Differential Diagnosis ... Algorithm Cardiac ... Atrioventricular Block ... • Pulmonary Embolus ... #Algorithm #Causes
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Intraventricular blocks ... , fascicular blocks ... bundle branch blocks ... #management #algorithm ... #treatment
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
Central Neuraxial Block ... hypnosis as soon as clinical ... • Embolism. ... Central #Neuraxial #Block ... #Management #Workup
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... performed) • Clinical ... Cardiovascular MRI Clinical ... Dysrhythmia, heart block ... cardiac death Management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Differential Diagnosis ... Endocarditis Diagnosis ... sided IE: heart block ... lesions, heart block ... #management #cardiology
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
• Antipyretics block ... production • Treatment ... antipyretics to block ... Hyperthermia #comparison #diagnosis ... #management #treatment
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
66 yo with syncope ... bundle branch block ... establish the diagnosis ... VentricularTachycardia #Clinical