46 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... intake • Metabolic ... Renal Losses: • Metabolic ... Syndrome • HTN, High ... #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Diagnosis Algorithm High ... Low PTH: • High ... PTHrP: - Low ... Syndromes - High ... Algorithm #Workup #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... out, causes of hypokalemia ... filling of bucket (low ... (transcellular shift ... Causes #workup #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... creatinine) • Cell shift ... EABV, High Plasma ... syndrome #hypokalemia ... algorithm #diagnosis #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Intracellular Shift ... Metabolic alkalosis ... NephTwitter) #Hypokalemia ... Causes #Workup #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... infusions) - Metabolic ... causes #potassium #high ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... consumption • Low ... Pressure: - Metabolic ... differential #potassium #nephrology ... #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Diuretics (late) • High ... hyperaldosteronism • High ... syndrome #Primary #Metabolic ... Diagnosis #Algorithm #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High ... aldosteronism • High ... Gitelman's syndrome #Hypokalemia ... Diagnosis #Algorithm #nephrology