161 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... structural heart disease ... Congenital heart disease ... structural heart disease ... differential #diagnosis #causes
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 ... Granulomatous disease ... - Williams syndrome ... Hypercalcemia #Causes ... Differential #Diagnosis #Endocrinology
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... ILD caused by inhalation ... disease (RB-ILD ... Churg Strauss syndrome ... differential #pulmonary #causes
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse ... Lung Disease. ... Churg-Strauss syndrome ... #Differential #Causes ... #Diffuse #Lung
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Ehlers-danlos Syndrome ... Birt-Hogg-Dubé Syndrome ... nickmmark #Cystic #Lung ... #diagnosis #causes
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... thyroid, breast, lung ... Non-small-cell lung ... • Milk-alkali syndrome ... #endocrinology
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
strep - Gram-negatives ... disease; Burkholderia ... — structural lung ... disease, smoking ... #Microbiology #Causes
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... failure, Addison's disease ... calcium)-alkali syndrome ... Hypercalcemia #Causes ... calcium #high #endocrinology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Activity • Liver Disease ... Klinefelter's Syndrome ... • Kallman's Syndrome ... Diagnosis #Algorithm #causes ... #endocrinology
Graves Disease - Autoimmune Hyperthyroidism
Epidemiology: Most common cause of hyperthyroidism, Incidence peaks at 30-50
Diagnosis: 
1 )
Graves Disease - ... Epidemiology: Most common cause ... antibodies 3) If 2 is negative ... Hyperthyroidism #diagnosis #management ... #endocrinology