28 results
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup ... and Differential Diagnosis ... other hormonal causes ... #Diagnosis #algorithm ... #endocrinology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... Algorithm Once ... (transcellular shift ... #Algorithm #Causes ... #workup #nephrology
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... Algorithm • Primary ... Granulomatous Disorders (eg ... #Algorithm #Causes ... #endocrinology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Intracellular Shift ... #Diagnosis #Causes ... #Workup #Nephrology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Algorithm Elevated ... PTH (High or normal ... #Algorithm #causes ... #endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 1) Clinical clues ... PTH - Frankly high ... #workup #differential ... #diagnosis #endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Shift • Recovery ... Alkalosis • Hypokalemia ... #Algorithm #endocrinology ... #causes
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
- Differential Diagnosis ... Algorithm High ... Failure • Stress (e.g ... #Algorithm #Endocrinology ... #Causes
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Transcellular Shift ... Alkalosis, Tumor Genesis ... Inappropriately High ... #phosphorus #workup
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... wasting from other causes ... urinary losses: • High ... Metabolic Alkalosis: Emesis ... #diagnosis #Algorithm