16 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... starts by measuring urinary ... Clinicians should also look ... #causes #nephrology ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... secreting tumor, Primary ... • HTN Absent: Loop ... #causes #potassium ... #low #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
(Edematous) - Look ... cirrhosis, nephrotic syndrome ... Solute Intake - Primary ... #diagnosis #nephrology ... #sodium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... wasting from other causes ... mEq/g suggests urinary ... #nephrology #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm ... Remote use of loop ... the indicated causes ... and potassium acid ... #nephrology #differential
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
include pain, primary ... volume overload Urea ... promoting passive sodium ... ascending limb of the loop ... #hyponatremia #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... High Al, Low R - Primary ... Differential #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium
Diuretics - Pharmacology

Thiazides diuretics:
 • Inhibit Na+ Cl- cotransporter in distal tubule
 • Chlorothiazide, Chlorthalidone, Indapamide,
Metolazone Loop ... Piretanide Potassium ... Isosorbide, Mannitol, Urea ... as no effect on sodium ... #Pharmacology #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... osmotic diuresis, Potassium ... disease • Drugs: Loop ... Hypomagnesemia #Causes ... differential #diagnosis #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... > 20 meq/L • Primary ... other • Severe potassium ... Differential #Diagnosis #Causes ... #nephrology