13 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... starts by measuring urinary ... either secondary or primary ... Gitelman's syndrome • Primary ... #causes #nephrology
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
inhibitors Other causes ... Tubulointerstitial diseases - Urinary ... transplant - SLE ... High Renin - Primary ... #Algorithm #diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... Laxative use • Diarrhea ... mEq/g suggests urinary ... ↑ Aldosterone: Primary ... differential #potassium #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Algorithm Acidosis ... - RTA - Diarrhea ... Primary hyperaldo ... #Diagnosis #Causes ... #Workup #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... #causes #potassium ... #low #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... all the time (urinary ... Differential #Diagnosis #Algorithm ... #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... Ureterosigmoidostomy Urinary ... Potassium #Table #Classification ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... losses - Chronic diarrhea ... - Hypokalemia ... Magnesium #Table #Classification ... #Causes #Workup
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
- Acquired - Primary ... - Acquired - Primary ... uropathy, Metabolic causes ... demeclocycline) Primary ... #Types #Nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... High Al, Low R - Primary ... Gitelman's syndrome #Hypokalemia ... #nephrology #causes