387 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... Low SvO2 → Low PaO2 ... differential #diagnosis #causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... /0.8)] - PaO2 Simplified ... /0.8)] - PaO2 Normal ... : Atelectasis, ARDS
PROSEVA definition of ARDS
Thus, the PROSEVA trial essentially modifies the Berlin definition of ARDS, with the
definition of ARDS ... definition of ARDS ... requirement that the PaO2 ... requires that the PaO2 ... #CriticalCare #ARDS
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... severity of the ARDS ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2 ... >= 5cm H2O #ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome – ARDS ... on CT or CXR ● PaO2 ... there is no clear cause ... the underlying cause ... days after dx of ARDS
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
5 cmH20 in non-ARDS ... and non-ARDS) ... > 7.25 in non-ARDS ... and ARDS, tolerate ... minimal to keep PaO2
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Understanding & Treating ARDS ... Impaired Oxygenation PaO2 ... @nickmmark #ARDS
Important Respiratory Distress Pearls

#diagnosis #respiratory #distress #NRDS #RDS #TTN #MAS #neonatal #pediatric #adult #respiratory #adverse #effects
respiratory #distress #NRDS ... #RDS #TTN #MAS ... ventilation #algorithm #causes
Pulmonary and Non-Pulmonary Causes of ARDS #Diagnosis #EM #PCC #ARDS #Differential #Algorithm #Pulmonary #NonPulmonary #Causes #Ddxof
Non-Pulmonary Causes ... of ARDS #Diagnosis ... #EM #PCC #ARDS ... #NonPulmonary #Causes
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms ... causes the previously ... PhysicalExam #clinical #video