13 results
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... syndrome, thiazide diuretics ... Jansen disease #Hypercalcemia ... #Diagnosis #Endocrinology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... Drugs Causing Hyperkalemia ... Metabolic acidosis - Hyperkalemia ... cantaloupe #hyperkalemia
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Hyperkalemia ... Drug-induced hyperkalemia ... Potassium-sparing diuretics ... #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... a.k.a. osmotic diuresis ... SGLT2 inhibitors (e.g ... Hereditary, Lithium, Hypercalcemia ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... Drugs Causing Hyperkalemia ... Metabolic acidosis - Hyperkalemia ... images/12834 #hyperkalemia
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Drug-induced • High ... Sarcoidosis • Hypercalcemia ... Cyclosporine • Diuretics ... Diagnosis #Algorithm #endocrinology ... #causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
; High-Ceiling Diuretics ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... Postoperative abdominal distention ... #Nephrology #Pharmacology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... only if no clear cause ... emcrit.org/ibcc/hyperkalemia ... management of hyperkalemia ... #Hyperkalemia
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... • Low EABV (e.g ... • NSAlDs #Hyperkalemia ... IntercellularShift #Nephrology ... Diagnosis #Algorithm #Causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
, including a diuretic ... disorders including hypokalemia ... Causes: • Vascular ... Vasculitis • Endocrinologic ... Hyperthyroidism, Hypercalcemia