6 results
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... hypertension; CXR, chest ... arterial hypertension ... bronchopulmonary dysplasia ... ; CLD, chronic lung
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
• Interstitial lung ... diseasePulmonary ... Arterial Hypertension ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... UnremarkableLab #AA ... Gradient #alveolar #arterial
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... tuberculosis, Bacterial ... angioinvasive disease ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Crackles / ↓ Air ... hemorrhage • Pus: pneumonia ... edema • Air: ... asthma • Pleural disease ... atelectasis • Lung
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Nasal polyps and signs ... thickening, presence of air-fluid ... in the adjacent lung ... CT) • Broncho-arterial