70 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
pulmonary infection ... with underlying lung ... disease. 15% mortality ... It can also cause ... Mycobacterium #diagnosis #differential
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... nickmmark #Cystic #Lung ... #Disease #differential ... #diagnosis #causes ... #pulmonary
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... - Differential ... Bronchitis Diffuse CT ... Vasculitis Infection ... Goodpasture's Syndrome
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Churg Strauss syndrome ... #diagnosis #differential ... #pulmonary #causes
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diffuse Lung Disease ... Respiratory Distress Syndrome ... • Chronic Lung ... Infection
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Parenchyma: • Infection ... westermani, PNA, Lung ... • Valvular Disease ... #causes
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... Malignancy • Pulmonary
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... sweats, chills (infection ... disease or CHF) ... refer + order CT ... Diagnosis #Algorithm #causes
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... allopurinol), Infection ... resolution chest CT ... DAH, rule out infection ... #differential #
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse ... Lung Disease. ... cell arteritis Infectious ... #Pulmonology #Differential ... #Lung #Disease.