19 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... tubular acidosis (Types ... and 2, but not type ... Diagnosis #Low #Potassium ... #Table #Classification
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... Normal, Renin High ... : • Primary hypoaldosteronism ... hypoplasia Aldosterone high ... Hyperkalemia #Diagnosis #algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Syndrome • HTN, High ... secreting tumor, Primary ... Differential #Diagnosis #Algorithm ... #causes #potassium
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 3 - Potassium Channel ... Block K+ channels (primarily ... receptors, and Ca ... #Pharmacology #Classification
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
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
chloridorrhea - High-volume ... syndromes • Primary ... dehydrogenase type ... syndrome • Severe potassium ... depletion (serum 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 ... losses: • High ... ↑ Aldosterone: Primary ... #differential #potassium
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
obstruction _ pHA type ... I, type II - ... transplant - SLE High ... Renin - Primary ... #Hyperkalemia #Algorithm
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
leading to slow Ca ... Vaughan Williams Classification ... 3 - Potassium Channel ... Block K+ channels (primarily ... #Pharmacology #Classification
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Al, Low R - Primary ... Differential #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium