17 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... • Interstitial lung ... Abnormalities • Chest ... #Causes #Pulmonary
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Differential Diagnosis Algorithm ... Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... refer + order CT ... #causes
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... distinct radiographic areas ... of low, normal ... #CT #Lung #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... Most Common Causes ... Nasal polyps and signs ... CT) • Broncho-arterial ... - BAR >1.0 is abnormal
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... disease, pleuritic chest ... consider infarction, hypoxia ... Breathing In lung ... Breathing #Patterns #Pulmonary
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
In this case a lung ... film, which is normal ... has caused a triangular ... On the CT we can ... Radiology #CXR #CTChest
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... o infection • Echocardiogram ... Goodpasture's cause ... sparing of the lung ... CT
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... inflammation tends to cause ... interstitial lung ... disease/pulmonary ... pathophysiology #signs
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
blood cells in the lung ... • Signs/Symptoms ... dyspnea, tachypnea, hypoxemia ... • Signs/Symptoms ... - The classic signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... Exam: Can be normal ... Legionella: • Nausea ... factor • May cause ... Infections #HIV #AIDS #pulmonary