14 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... : • Upper lung ... , pleural effusion ... AIDS #pulmonary #differential
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... differences between COVID ... superimposed bacterial pneumonia ... deaerated areas #COVID19 ... #POCUS #Lung #Ultrasound
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
on Lung POCUS ... POCUS lung exam ... Differential Bilat ... Lung POCUS shows ... Lung POCUS invaluable
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... cough, dyspnea, fever ... Rare: pleural effusions ... Diagnosis: • Lung ... ILD #diagnosis #management
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Possible bilateral effusion ... submassive PE) POCUS ... #pulmonary #differential ... #POCUS #ultrasound
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... 760 mm Hg at sea level ... : Interstitial lung ... hypoxemia • Causes: Pneumonia ... Failure #hypoxia #Differential
Lung POCUS: Small right anechoic parapneumonic effusion. Note B-lines. Curvilinear probe used. More commonly seen in
Lung POCUS: Small ... parapneumonic effusion ... seen in bacterial pneumonia ... prelim reports of COVID19 ... #Lung #POCUS #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... for Klebsiella pneumonia ... decubitus - air fluid level ... Abscess Differential ... Abscess #pulmonary #differential
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... • Pneumocystis pneumonia ... infarction • COVID ... -19 Pneumonia ... • Other lung injuries
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... Hypoxia #hypoxemia #differential