8 results
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Edema: - Widespread ... Distress Syndrome (ARDS ... #differential # ... diagnosis #signs
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
sliding-must be pulm edema ... Differential Bilat ... : Pulmonary edema ... , ARDS, interstitial ... partially seen shred sign
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Differential Diagnosis ... blood cells in the lung ... of the spiral arteries ... • Signs/Symptoms ... • Signs/Symptoms
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... Edema, Atelectasis ... • Diffusion Defect ... Gradient #alveolar #arterial ... #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... respiratory drive due to neurologic ... edema (most common ... reversible diffusion defects ... shunting (eg, atrial
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... tuberculosis, Bacterial ... • CT: Halo sign ... Infections #HIV #AIDS ... #pulmonary #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Fevers and/or chills ... Nasal polyps and signs ... in the adjacent lung ... CT) • Broncho-arterial ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... claudication, pulse deficits ... the skin, neurologic ... syndrome • Coronary arteries ... Thrombosis and arterial