17 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Lateral perforations ... high percentage FiO ... set to desired FiO2 ... deliver desired FiO ... #Pulmonary #Equipment
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... chest) • Low PiO2 ... Elevation, Low Fio2 ... Intracardiac, Pulmonary ... #differential #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... lung collapse, or pulmonary ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... Definition #Criteria #Diagnosis
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
Echocardiography Pulmonary ... ratio << 1 • Lateral ... PADP-PCWP > 7 mmHg Pulmonary ... Echocardiogram #comparison #diagnosis ... #cardiology #pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... consistent with pulmonary ... or CXR ● PaO2/FiO2 ... Summary #CheatSheet #Diagnosis
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Consolidations AKA "inverse pulmonary ... Laura McNamara @ ... Eosinophilic #Pneumonia #diagnosis ... #pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... Hypoxemia #summary #pulmonary ... #differential #diagnosis
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Noncardiogenic Pulmonary ... - Differential Diagnosis ... High Altitude Pulmonary ... dissolved in the PaO2/FiO2 ... #differential #diagnosis
Scoliosis: Pathogenesis and clinical findings (Cobb Angle > 10 Degrees)

 • Incr Axial rotation of thoracic
cage) • Incr lateral ... Discrepancy • Incr Lateral ... pain • Incr lateral ... Exertion, Restrictive Pulmonary ... pathophysiology #msk #diagnosis
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Pneumonia (CAP) - Diagnosis ... • PaO2/FiO2 ratio ... Pneumonia #CAP #Diagnosis ... Management #treatment #Pulmonary