13 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... and 2, but not type ... Catecholamines - Alkalosis ... Diagnosis #Low #Potassium ... #Table #Classification
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Class I agents ... Channel Blockers⠀ Class ... agents in this class ... beta blockers.⠀ Class ... III agents - Potassium
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Alkalosis - Differential ... syndromes • Primary ... dehydrogenase type ... depletion (serum potassium ... #Metabolic #Alkalosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... ↑ Aldosterone: Primary ... - Metabolic Alkalosis ... #differential #potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... 3 - Potassium Channel ... Block K+ channels (primarily
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... either secondary or primary ... tubular acidosis (type ... Gitelman's syndrome • Primary ... #potassium
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... duration: - CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
- Urinary Chloride ... Algorithm Cl- ... the indicated causes ... of sodium and potassium ... #urine #Algorithm
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... > 20 meq/L • Primary ... syndrome (11-ß HSD type ... other • Severe potassium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... kidney disease • Primary ... Heart Association class ... insipidus • Primary ... #Medications #Table