30 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... abscess, Necrotizing ... 12 weeks): • Chronic ... #lesion #pulmonary ... #differential
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Bronchiectasis - Pulmonary ... Tuberculosis - Lung ... Abscess - Asthma ... Cancer of the Lung ... #Hemoptysis #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... • 80% with lung ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Diagnosis Algorithm ... Bacterial • Abscess ... Lung, Bladder, Colon ... Myeloproliferative Disorder • Chronic
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... abscess (TB, fungal ... Mnemonic #Cavitary #Lesions ... #Differential # ... Lung #Pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Metabolic Disorders Chronic ... #Causes
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Diagnosis Algorithm ... Granuloma • Abscess ... Metastases ("cannonball lesions ... #Causes #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • Chronic ... stable residual lesion ... Abscess Differential ... #Abscess #pulmonary
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Fistulas • Dieulafoy lesion ... westermani, PNA, Lung ... abscess, Aspergillosis ... #causes
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diagnosis Algorithm ... • Chronic ... • Diffuse Lung ... Lung Infection