14 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... : • 3 syndromes ... of a "flu-like syndrome ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Possible bilateral effusion ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #POCUS #ultrasound
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... Rare: pleural effusions ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... obesity-hypoventilation syndrome ... : Interstitial lung ... hypoxemia • Causes: Pneumonia ... hepatopulmonary syndrome
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
COVID-19 Findings ... consolidation - Pleural effusion ... alveolar interstitial syndrome ... patients with pulmonary ... #POCUS #Diagnosis
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... absence of intrinsic lung ... on radioactive lung ... or pulmonary angiography ... hepatopulmonary #syndrome
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
ultrasonographic features of COVID ... -19 pneumonia Lung ... - Pulmonary infiltrating ... alveolar interstitial syndrome ... #Ultrasound #POCUS
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Legionnaires disease • Pulmonary ... infarction • COVID ... -19 Pneumonia ... • Other lung injuries ... elevated serum LDH level