19 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... likely: • High ... #Algorithm #endocrinology
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 ... Genetic disorders (e.g ... failure, acute or chronic ... thyrotoxicosis, adrenal insufficiency ... #Diagnosis #Endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Transcellular Shift ... Alkalosis • Hypokalemia ... #Algorithm #endocrinology ... #causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential Diagnosis ... • Adrenal Insufficiency ... Liver Failure • Hypercalcemia ... • Drug Abuse (e.g
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... deficiency • Renal insufficiency ... #causes #potassium
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... of High-anion Gap ... Chronic progressive ... (with renal insufficiency ... #differential #diagnosis
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
- Differential Diagnosis ... Hormone Intake • Chronic ... Failure • Stress (e.g ... #Algorithm #Endocrinology ... #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... deficiency • Renal insufficiency ... #causes #potassium
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
- Differential Diagnosis ... Drug-induced • High ... Sarcoidosis • Hypercalcemia ... #Algorithm #endocrinology ... #causes
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... - Differential Diagnosis ... • Low EABV (e.g ... Creatinine • Chronic ... ARB • Adrenal insufficiency