16 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung ... disease #Chronic ... #causes
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... - Portal ... • Valvular Lung ... • Interstitial Lung ... Metabolic Disorders Chronic
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... pneumonia • Chronic ... Lung Abscess - Clinical ... seen • Chest CT ... - Switch to oral
Normal Lung Sliding in the case of Bullous Lung Disease

Patient presents with with Rt chest pain/dyspnea.
Normal Lung Sliding ... Bullous Lung Disease ... Dz seen on CT. ... #clinical #ultrasound ... pulmonary #Bullous #Bullae
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... infection - Portal ... hypertension due to lung ... Interstitial lung ... #Differential #Causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... lung disease ... Chest CT: • Ground-glass ... levels are within normal ... DDX - Other causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... encounters due to NTM: Chronic ... Disease: • Clinical ... Imaging, high res CT
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... disease caused ... Calcification (seen in CT ... multiple large bulla ... Fibrosis #Silicosis #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... - BAR >1.0 is abnormal
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... • CT: Halo sign ... Exam: Can be normal ... Abdominal pain, chronic ... factor • May cause