22 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
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Usually composed ... rash resulting in classic ... Classic association ... Erythemas #comparison #table ... #dermatology #compared
Comparison of anti-diabetic or anti-hyperglycemic agents

There are numerous anti-hyperglycemic agents available to manage Type 2 diabetes.
Each class of medications ... anti-hyperglycemic agents, and compares ... pharmacotherapy #table
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
Toxidromes Compared: Anticholinergic, Cholinergic, Opioid, Sympathomimetic, Sedative-Hypnotic

During your physical exam, look for evidence of some of
Toxidromes Compared ... of some of the classic ... Toxidromes #Comparison #Table
Angiotensin Receptor Blockers 
Recommended Dose Conversions 

Valsartan 
Irbesartan 
Losartan 
Olmesartan 
Telmisartan 
Candesartan 
Azilsartan 
Eprosartan 

A few
another drug in that class ... recalls, this drug class ... incidence of dry cough compared ... ARB #Conversion #Table