90 results
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Lung Disease. ... cell arteritis Infectious ... Metabolic storage disease ... chemotherapy #Diagnosis ... #Disease.
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disease • ... Gastrointestinal inflammatory disease ... Granulomatous disease ... • Liver diseases ... disease (GLILD)
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... disease or CHF) ... refer + order CT ... disease #Chronic ... #Algorithm #causes
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
granulomatous diseases ... vasculitis, Crohn's disease ... Genetic: Williams syndrome ... #differential #diagnosis ... #endocrinology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... lymphoproliferative disease ... • Metastatic disease ... demyelinating diseases ... #causes #radiology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Infectious: ... : EGPA, Horton Disease ... , Takayasu Disease ... - Metastatic: Lung
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... Collagen vascular disease ... Gastrointestinal disease
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... disease, volume ... disease ... Lung Disease: ... Imaging, high res CT
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
to metastatic disease ... Systemic Diseases ... Manifestations: • Infection ... , Aneurysm • Pancreas ... #causes #primarycare
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Rickettsial diseases ... • Crohn disease ... • Behcet disease ... disease • Rheumatoid ... Legionnaire's disease