139 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... Delays ventricular repolarization ... - Ventricular Repolarization ... Classification: CLASS ... CLASS 3 - Potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... prolong AV node repolarization ... CLASS 3 - Potassium ... interval (delays time repolarization ... prolong AV node repolarization
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Differential Diagnosis Algorithm ... Excretion (IV potassium ... #Hyperkalemia #Nephrology ... Differential #Diagnosis #Algorithm ... #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm using Urine Potassium to Creatinine Ratio

#Hypokalemia #Differential #Diagnosis #Algorithm #Potassium #Creatinine #Ratio
Differential Diagnosis Algorithm ... using Urine Potassium ... Differential #Diagnosis #Algorithm ... #Potassium #Creatinine ... #Ratio #nephrology
Emergency management of severe hyperkalemia

#hyperkalemia #management #algorithm #nephrology #Potassium #Treatment
hyperkalemia #management #algorithm ... #nephrology #Potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... : • GI losses ... Differential #Diagnosis #Algorithm ... #nephrology #low ... #potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... Decreased renal potassium ... Drugs Increased potassium ... Hyperkalemia #Diagnosis #algorithm ... #nephrology #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 ... Hypokalemia #diagnosis #Algorithm ... #differential #potassium ... #nephrology #low
#Abnormal Uterine bleeding. #Late #Bleeding #Pregnancy #Differential #Diagnosis #Algorithm #Causes #Obstetrics #OBGyn
#AUB #Abnormal #Uterine #Bleeding #Mnemonic
Differential #Diagnosis #Algorithm ... #Causes #Obstetrics ... #OBGyn #AUB #Abnormal ... #Differential #Causes