17 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Causes #Pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... : ILD, pHTN, Advanced ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential ... #Diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... direction leads to hypoxemia ... • Causes: Pneumonia ... Respiratory #Failure #hypoxia ... #Differential #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Rare: pleural effusions ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... factor • May cause ... , pleural effusion ... Infections #HIV #AIDS #pulmonary ... #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 ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... congestion with hypoxemia ... consistent with pulmonary ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis
Pneumonia on POCUS

Otherwise healthy 12mo-old w/ fever. Linear & phased array viewing the lung (subpleural &
Pneumonia on POCUS ... Otherwise healthy 12mo-old ... array viewing the lung ... >1cm, supports diagnosis ... no significant hypoxia
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... disease Caused ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... on radioactive lung