18 results
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... EABV, High Plasma ... HCO3- • Low Urine ... #potassium #differential ... #algorithm #diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Urine Cl-: Vomiting ... Diuretics (late) • High ... Urine Cl-: Diuretics
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Diagnosis Algorithm ... Urine Cl-: Vomiting ... Diuretics (late) • High ... Urine Cl-: Diuretics ... artery stenosis, Renin-secreting
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... urinary losses: • High ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #low
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... renovascular HT, Renin-secreting ... #Diagnosis #Algorithm ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Syndrome • HTN, High ... Renovascular HTN, Renin ... #causes #potassium
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Diagnosis Algorithm ... nephron - TTKG > 7, Urine ... Renin, High Aldosterone ... Renin, Low Aldosterone ... Renin, Low Aldosterone
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... high in kidney ... of sodium and potassium ... Algorithm #nephrology #differential ... #diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Urine Cl-: Vomiting ... Diuretics (late) • High ... Urine Cl-: Diuretics
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Na/Cl > 1.6, low ... Na/Cl < 0.7, high ... correcting serum potassium ... Other medications ... #differential #