14 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... duration: - CLASS ... duration - CLASS ... 3 - Potassium Channel ... #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... #pathophysiology
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Algorithm History ... life-threatening causes ... score for PE • CTA ... Pain #Diagnosis #Algorithm ... #workup
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Proximal and distal RTA ... Differential #Diagnosis #Algorithm ... #causes #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... , Distal RTA, DKA ... Hypokalemia #diagnosis #Algorithm ... #differential #potassium
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #high #pathophysiology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA ... #Differential #Algorithm ... #Diagnosis #Causes ... #Workup #Nephrology
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pharmacology and Pathophysiology ... Pump - Digoxin works ... increase. 2) The Na/Ca ... intracellular calcium causes ... #Pharmacology #Pathophysiology
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Causes of acute ... imaging with barium, CT ... Diarrhea #management #algorithm ... #workup #diagnosis