11 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Arrhythmias • SA ... escape rhythm, Conduction ... His-purkinje system: Conduction ... > 100 bpm) • SA ... Differential #Diagnosis #Causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Sinus Syndrome • SA ... with Variable AV Conduction ... rhythm SVT with conduction ... rhythm SVT with conduction ... Diagnosis #Algorithm #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... reduce speed of ion conduction ... duration: - CLASS ... current) causing ↓SA ... to ↑ ERP (slow conduction
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Summary Cardiac Conduction ... Classification: CLASS ... reduce speed of ion conduction ... current) causing ↓SA ... to ↑ ERP (slow conduction
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... HyperK vs VT > SVT+conduction ... PMVT vs AFib + conduction ... Differential #Diagnosis #Table ... Narrow #Irregular #causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... L, decrease in conduction ... causes prolonged ... wave to produce classic ... #Progression #Table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
A chronic skin condition ... epidemicum • Condition ... A chronic skin condition ... HSV + Mycoplasma classic ... Erythemas #comparison #table
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
site of bowel connection ... /Symptoms: • Classic ... the OR • HD stable ... about 50% • Stable
ANGIOTENSIN II RECEPTOR ANTAGONIST (ARB) DOSING:
TOOL FOR SWITCHING BETWEEN AGENTS IN CANADA
The information provided is intended
antagonist (ARB) class ... patient’s health condition ... Switching #Equivalent #Table
Taken from Dr Motov's work on a CERTA regime.
This is published in conjunction with the CERTA
is published in conjunction ... list and in all cases ... PainSyndromes #Pathways #Table