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Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Nasal Oxygen Delivery ... lower rates of re-intubation ... nickmmark #Nasal #Oxygen ... #management #pulmonary ... #criticalcare
DO2 Equation in Shock = Oxygen Delivery
DO2 = CO x (1.39 x [Hb] x SaO2 +(0.003xPaO2))
DO2
DO2 Equation in Shock ... = Oxygen Delivery ... #Oxygen #Delivery ... #criticalcare # ... resuscitation #diagnosis
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
delivery, increased ... failure from massive pulmonary ... embolism or severe pulmonary ... Classification #types #diagnosis ... #management #criticalcare
Normal Hemodynamic Cardiac Parameters

Central Venous Pressure 

Pulmonary Artery Wedge Pressure 

Cardiac Index 

Stroke Index 

Systemic Vascular
Venous Pressure Pulmonary ... Resistance Index Pulmonary ... Delivery Oxygen ... Uptake Oxygen ... Normal #Cardiology #Diagnosis
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... reservoir increases delivered ... #Delivery #Devices ... #management #pulmonary ... #criticalcare
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
pressure of arterial oxygen ... - Insufficient oxygen ... - Increased O2 delivery ... #differential #diagnosis ... #comparison #pulmonary
Difficult Airway Algorithm

1. Assess the likelihood and clinical impact of basic management problems: 
 • Difficulty
• Difficult intubation ... opportunities to deliver ... supplemental oxygen ... vs. intubation ... Anesthesiology #Anesthesia #CriticalCare
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
due to: reduced oxygen ... delivery, increased ... oxygen consumption ... , inadequate oxygen ... Classification #Types #diagnosis
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
blood flow (CO) & oxygen ... delivery (D02) ... essential to determine treatment ... Cardiac Tamponade, Pulmonary ... #diagnosis #differential
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
or dysregulated oxygen ... delivery or extraction ... inadequate O2 delivery ... Classification #diagnosis ... management #Overview #criticalcare