36 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Gitelman's syndrome • Primary ... #differential # ... #nephrology #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Ureterosigmoidostomy Urinary ... #Differential # ... Low #Potassium #Table ... Classification #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... (correction of hypokalemia ... CT or MRI scan of ... #Hypertension #Differential ... Screening #Workup #table
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... - Differential ... all the time (urinary ... #Differential # ... #workup #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Primary hyperaldo ... #Differential # ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... secreting tumor, Primary ... #Differential # ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... ↑ Aldosterone: Primary ... diagnosis #Algorithm #differential ... #potassium #nephrology
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... ’s and T’s Hypovolemia ... acute, massive MI ... #arrest #HsTs #Differential ... #Diagnosis #Table
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... High Al, Low R - Primary ... #Differential # ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
EABV) - Consider: Hypovolemia ... Vasopressin-independent - Consider: Primary ... hyponatremia #diagnosis #differential ... #algorithm #causes ... #nephrology