25 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Brady Management ... • Block in AV ... HeartBlocks #Types #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... First Degree AV Block ... group-beating" on the ECG ... #ekg #ecg #diagnosis ... electrocardiogram #classification
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Bundle Branch Block ... Bundle Branch Block ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Blockers: • MOA: Block ... Blockers: • MOA: Block ... primarily) and block ... Blockers: • MOA: Block ... #Classes #pathophysiology
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
gallop • Abnormal ECG ... Dysrhythmia, heart block ... cardiac death Management ... Myocarditis #Diagnosis #Management
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Algorithm • IV ... potassium and ECG ... high #diagnosis #management ... #algorithm #treatment
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Blockers: • MOA: Block ... Blockers: • MOA: Block ... primarily) and block ... Blockers: • MOA: Block ... #Classes #pathophysiology
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Diagnostic and Management ... Algorithm CONSIDER ... sick sinus, AV block ... #Diagnosis #Management ... #Bradycardia #Algorithm
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... pauses • AV block ... Medication side effect (e.g ... Medication side effect (e.g ... Differential #Diagnosis #Classification
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
if suspected (e.g ... telemetry for heart block ... (+/- daily EKG) ... • Aggressive management ... criticalcare #diagnosis #management