15 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory Evaluation ... dihydroxyvitamin D can help differentiate ... Hypoparathyroidism - Calcium-sensing ... Hyperparathyroidism #Diagnosis #Endocrinology ... #Differential
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... PTH - Frankly high ... Hypercalcemia #workup #differential ... #diagnosis #endocrinology ... #calcium #elevated
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... deficiency • Drugs: Calcium ... Pancreatitis, Sepsis ... Hypocalcemia #Workup #Differential ... Algorithm #nephrology #calcium
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Activating Mutation in Calcium ... Pseudo-hypoparathyroidism) • Calcium ... #Hypocalcemia #Differential ... Algorithm #Phosphate #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Elevated PTH (High ... Bony Mets - Calcium ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
histoplasmosis) • Milk (calcium ... Hypercalcemia #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Pulse Pressure - Differential ... Hyperdynamic circulation/High ... Vasoplegia • Sepsis ... Pulse #Pressure #Differential ... Diagnosis #causes #cardiology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Laboratory Evaluation ... TSH low; free T4 high ... and T3 normal or high ... #hyperthyroid #differential ... #diagnosis #endocrinology
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
consistent with Calcium ... adjacent to the Calcium ... - Limits evaluation ... Differential diagnosis ... tenosynovitis: Differentiate
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... it possible to differentiate ... 4 and remains high ... #Evolution #MRI ... CVA #Clinical #Radiology