12 results
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Metabolic acidosis ... Succinylcholine • Diabetes ... • Calcineurin inhibitor ... blockers - MCW Nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Hypokalemia ... Hyperkalemia ... Calcineurin inhibitors ... #nephrology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperparathyroidism • Diabetic ... acidosis - Renal ... Sarcoidosis • Hypercalcemia ... drugs • ACE inhibitors ... #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... Renal tubular acidosis ... Ureterosigmoidostomy, Diabetic ... #nephrology #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
NSAIDs • ACE Inhibitors ... (Uncontrolled diabetes ... - Metabolic acidosis ... differential #diagnosis #causes ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
NSAIDs • ACE Inhibitors ... (Uncontrolled diabetes ... - Metabolic acidosis ... differential #diagnosis #causes ... potassium #high #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... mellitus, SGLT2 inhibitors ... Diabetes Insipidus ... Hereditary, Lithium, Hypercalcemia ... #nephrology
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
by an anion gap acidosis ... • Diabetic ketoacidosis ... (DKA) - caused ... seen with SGLT inhibitors ... diagnosis #management #endocrinology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... infusion, Calcineurin inhibitors ... Redistribution: Acidosis ... only if no clear cause ... Treatment #potassium #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Hyponatremia • Hypercalcemia ... • Nephrogenic diabetes ... Kidney stones caused ... DDAVP) • Central diabetes ... Excretion #Diuresis #Nephrology