23 results
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Differential Diagnosis Algorithm ... High or Normal PTH ... Hypercalcemia Low PTH ... #Workup #nephrology ... #PTH #parathyroid
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... Differential Diagnosis Algorithm ... Hyperphosphatemia, High PTH ... Hyperphosphatemia, Low PTH ... #Causes #algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Elevated PTH (High ... Hypercalcemia Low PTH ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Differential Diagnosis Algorithm ... Drug-Induced • Intact PTH ... Pseudohypoparathyroidism (PTH ... resistance) • Intact PTH ... #causes
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... losses: FGF23, PTH ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Differential Diagnosis Algorithm ... Phosphate, Low PTH ... Phosphate, High PTH ... Differential #Diagnosis #Algorithm ... #nephrology #calcium
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Determine whether PTH-dependent ... other hormonal causes ... for non-hormonal causes ... Differential #Diagnosis #algorithm
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Causes of Nephrolithiasis ... Differential Diagnosis Algorithm ... • Increased PTH ... Nephrolithiasis #Nephrology ... #Causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Hypercalcemia-PTH ... Magnesium #Low #Causes ... Differential #Diagnosis #Algorithm
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
radial nerve in its path ... sleeping as in this case ... PhysicalExam #clinical #video ... #msk #sports #neurology