37 results
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... Lung cancer • Renal ... sodium • ↑ Serum potassium ... Check sodium, potassium ... addisons #disease #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Intake • Chronic Renal ... Failure • Stress ... Production • Renal ... Diagnosis #Algorithm #Endocrinology ... #Causes
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
Idiopathic Other Causes ... Renal Failure, ... Hypopituitarism • Adrenal ... Diagnosis #Algorithm #endocrinology ... #causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Mineralocorticoid excess - Renal ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
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 ... hormone–independent Renal ... failure, acute ... Hypercalcemia #Causes ... Differential #Diagnosis #Endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Pseudohyperparathyroidism, Renal ... failure, Addison's ... Hypercalcemia #Causes ... calcium #high #endocrinology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Diabetic acidosis - Renal ... • Chronic renal ... failure • ... Diagnosis #Algorithm #endocrinology ... #causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Hemolysis • Marrow Failure ... Renal Disease, Liver ... #Anemia #MCV #Classification ... Diagnosis #Algorithm #Causes
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
Classification of ... 8.0 mg/dL • Potassium ... Intravenous fluids • Renal ... failure - Dialvsis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
resistance Impaired Renal ... deficiency • Renal ... insufficiency/Failure ... Type IV RTA • Renal ... differential #diagnosis #causes