21 results
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Diagnosis Algorithm ... Drug-induced • High ... Sarcoidosis • Hypercalcemia ... #endocrinology ... #causes
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... - Differential ... Diagnosis Algorithm ... Vitamin D Intake • Myeloma ... #Causes #endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... Hypercalcemia ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis ... long-standing secondary ... Multiple Myeloma ... #Differential # ... #Endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Elevated PTH (High ... #Differential # ... Diagnosis #Algorithm ... #causes #endocrinology
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Diagnosis Algorithm ... Pseudo-hypoparathyroidism • Acromegaly ... : • Multiple Myeloma ... #endocrinology ... #causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... insufficiency likely: • High ... baseline ACTH - Secondary ... #endocrinology
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Diagnosis Algorithm ... #Differential # ... #causes #potassium ... #high #pathophysiology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Diagnosis Algorithm ... PTH • Secondary ... #Differential # ... #Phosphate #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 ... hypocalciuric hypercalcemia ... metastases and multiple myeloma ... #Causes #Differential ... #Diagnosis #Endocrinology