50 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... : • 3 syndromes ... Rapid onset of a ... "flu-like syndrome ... Infections #HIV #AIDS #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura reflection) Pneumonia ... Respiratory Distress Syndrome ... #differential #diagnosis ... #ultrasound #findings
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Algorithm Ventilation ... • Interstitial lung ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome
Pneumonia on Lung Ultrasound looks like this: 
A-lines replaced by B-lines in an irregular stepladder appearance
Pneumonia on Lung ... Ultrasound looks ... like this: A-lines ... #ShredSign #clinical ... #lung #pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
- Differential Diagnosis ... Algorithm Transudate ... Pneumonectomy • Trapped lung ... Infectious: • Pneumonia ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Left Shunt - Anatomic ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #differential #diagnosis
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
- Differential Diagnosis ... Algorithm Cardiac ... Superior vena cava syndrome ... Parenchyma: • Pneumonia ... • Interstitial lung
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
sliding: Pulmonary ... a lot of B lines ... NOT definitively diagnose ... #Lung #POCUS #clinical ... #ultrasound
Lung Ultrasound: Cardiogenic Pulmonary Edema vs ARDS
Cardiogenic Pulmonary Edema:
 • Smooth pleural line
 • AIS >
Lung Ultrasound: ... Cardiogenic Pulmonary ... But may be P > A, ... edema #comparison #clinical ... #diagnosis #ultrasound
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
, pulmonary congestion ... disease, idiopathic pulmonary ... due to alveolar syndrome ... fibrotic alveolar syndrome ... #Clinical #Diagnosis