173 results
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
, inflammatory lung ... permeability, lung ... with decreased lung ... or CXR ● PaO2/FiO2 ... the underlying cause
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
difficult airway management ... Gradually lower Fi02 ... recruitment • FiO2 ... desaturation prioritise FiO2 ... ventilation #obese #Management
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... lobar collapse, lung ... severity of the ARDS ... mm Hg < PaO2 / FiO2 ... >= 5cm H2O #ARDS
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Understanding & Treating ARDS ... Oxygenation PaO2/FiO2 ... @nickmmark #ARDS ... Syndrome #Diagnosis #Management
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Elevation, Low Fio2 ... : Atelectasis, ARDS ... Embolism, Obstructive Lung ... , Interstitial Lung
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Flow 6-10 LPM • FiO2 ... 10-15 LPM • FiO2 ... A venturi mask uses ... 10-15 LPM • FiO2 ... Delivery #Devices #management
In ARDS, we know that the lungs are so diffusely injured that the remaining total area
In ARDS, we know ... realize that in ARDS ... Consider a patient in ARDS ... pathophysiology #diagnosis #management ... #ards #foamed #
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... POCUS lung exam ... Pulmonary edema, ARDS ... Lung POCUS shows ... Lung POCUS invaluable
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
high percentage FiO ... retention of exhaled gases ... • Uses either ... set to desired FiO2 ... Equipment #Devices #Management
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
and Associated Lung ... pleura in severe cases ... Distress Syndrome (ARDS ... submassive PE) POCUS ... #POCUS #ultrasound