20 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Low intake • Metabolic ... Syndrome • HTN, High ... Loop and thiazide diuretics
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... (late) • High ... Urine Cl-: Diuretics ... hyperaldosteronism • High ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... (late) • High ... Urine Cl-: Diuretics ... hyperaldosteronism • High ... #Nephrology #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypertensive: • High ... aldosteronism • High ... Al, High R - Secondary ... >20 mEq/24 h - Diuretics ... #nephrology #causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... urinary losses: • High ... Pressure: - Metabolic ... Alkalosis: Emesis, Diuretics ... #diagnosis #Algorithm
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Non-anion Gap Metabolic ... Acidosis Causes of High-anion ... Potassium-sparing diuretics ... aniongap #NonGap #Metabolic
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... loop or thiazide diuretics ... to diarrhea, a high ... Urine chloride is high ... acidosis, a high
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... tubular transport • Diuretics ... Barrter's/Gitelman's High ... Renin, High Aldosterone ... Tumor Low Renin, High
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
resistance • Metabolic ... ; High-Ceiling Diuretics ... Hyponatremia • Hypercalcemia ... Tolvaptan) • Treatment ... #Nephrology #Pharmacology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • K sparing diuretics ... infusions) - Metabolic ... causes #potassium #high ... #nephrology