26 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... respiratory drive due to neurologic ... reversible diffusion defects ... ventricular septal defects ... #Differential #Diagnosis
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... ) WHAT ARE COMMON ... Obstruction 6) Rheumatologic ... Bronchiectasis #pulmonary ... #diagnosis #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... infection • Most common ... 38 degrees • Chills ... seen • Chest CT ... #Abscess #pulmonary
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... • Dyspnea - Common ... cirrhosis • Intra-pulmonary ... on radioactive lung ... perfusion scanning or pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Fevers and/or chills ... tightness Most Common ... Nasal polyps and signs ... in the adjacent lung ... high-resolution chest CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Affects 1:25,000 ... • Chronic lung ... Chest CT: • Ground-glass ... and M panel Management ... #diagnosis #management
Polo Mint Sign on Chest CT
 • Partial filling defect in a blood vessel surrounded by
Polo Mint Sign on ... filling defect ... #Polo #Mint #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... dyspnea • (Less common ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... blood cells in the lung ... Absence of other common ... insufficiency, fever, chills ... #differential #diagnosis
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
and Management ... duodenum Clinical Signs ... no matter how long ... bleeding is most common ... • CT findings