26 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... tuberculosis, Bacterial ... , and fever BACTERIAL ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Lung POCUS: "Hepatization" with fluid bronchograms and dynamic air bronchograms in patient with lobar consolidation due
Lung POCUS: "Hepatization ... bronchograms and dynamic ... pneumonia. ... pneumonia. ... #POCUS #Pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Arterial Hypertension ... Malformation • Severe Pneumonia ... #Algorithm #Causes
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
Bronchiectasis: diagnosis ... management Causes ... Whooping cough, Bacterial ... pneumonia, Virus ... workup #algorithm #pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
complex • Nodular/Masses ... Consolidation: Pyogenic bacterial ... disease: Pyogenic bacterial ... pneumonia from ... #differential #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... - Dynamic air ... #differential #diagnosis ... #signs #Lung #POCUS
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... of Pneumonia on ... /lung sliding: Pulmonary ... had Mycoplasma pneumonia ... NOT definitively diagnose
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Simplified A-a (assumes Room ... Atelectasis, ARDS, Pneumonia ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pathogens: • Aerobic Bacteria ... Bacteria: - Bacteroides ... Lung #Abscess #pulmonary ... #differential #causes
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
Exam Crackles: • Short ... alveoli as seen in pulmonary ... edema and pneumonia ... Lung #Findings #Pulmonary ... #PhysicalExam #diagnosis