25 results
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... Syndrome - ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... #differential #diagnosis
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
- Differential Diagnosis ... Algorithm Transudate ... Pneumonectomy • Trapped lung ... Infectious: • Pneumonia ... #Diagnosis #Algorithm
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 ... sliding: Pulmonary ... NOT definitively diagnose ... #Lung #POCUS #clinical
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
- Differential Diagnosis ... Algorithm Cardiac ... Superior vena cava syndrome ... Parenchyma: • Pneumonia ... • Interstitial lung
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... hypoxemia • Causes: Pneumonia ... AVMs, hepatopulmonary ... syndrome), intracardiac ... #Differential #Diagnosis
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
, pulmonary congestion ... due to alveolar syndrome ... fibrotic alveolar syndrome ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... Syndrome - Diagnosis ... shunt (Type 2) Clinical ... no established medical ... #syndrome #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... – ARDS: Clinical ... leading to increased pulmonary ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis