54 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... - Parathyroid hormone ... deficiency - Chronic ... Endocrinology #Differential
Chest Pain Differential Diagnosis and Clinical Features

#Diagnosis #ChestPain #Differential #Features #Comparison #Table
Chest Pain Differential ... Diagnosis #ChestPain #Differential ... #Features #Comparison
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge - Differential ... Microprolactinoma • Steroid Hormone ... Intake • Chronic ... Breast #Discharge #Differential
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
Hypercalcemia Parathyroid hormone–dependent ... ) Parathyroid hormone–independent ... failure, acute or chronic ... - Parathyroid hormone–related ... Hypercalcemia #Causes #Differential
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... Chronic eosinophilic ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Vegetarianism, chronic ... Atrophic gastritis, chronic ... bacterial overgrowth, chronic ... contraceptive, hormone ... low #cobalamin #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... inappropriate antidiuretic hormone ... : • Acute or chronic ... #Hyponatremia #Differential
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... lymadenopathy, clubbing, chest ... lung disease #Chronic ... #Cough #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
• Anemia of chronic ... deficiency (including chronic ... B12, Folate • Hormone ... deficiencies: Chronic ... hematology #anemia #differential