23 results
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
• Flow rate of ... • Flow rate of ... • Flow rate of ... Venturi Mask (venti-mask ... #FiO2 #Pulmonary
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... not tolerate a tight-fitting ... specified flow rate ... Devices #management #pulmonary ... #criticalcare
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... x 0.03)} DO2 = Rate ... of oxygen delivery ... #Equation #pathophysiology ... #pulmonary #apples
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
Nasal Oxygen Delivery ... can be used to deliver ... associated with a lower rate ... Devices #management #pulmonary ... #criticalcare
Oxygen Delivery Devices
1. Flow is a variable describing the movement of a volume of gas over
Oxygen Delivery ... the wall/oxygen delivery ... Oxygen delivery ... NRB) • Venturi Mask ... Comparison #management #criticalcare
Oxygen Delivery Devices - Comparison
Low Flow:
 • Nasal cannula (1-6L, 24-40% FiO2)
 • Face mask (5-10L,
Oxygen Delivery ... FiO2) • Face mask ... iMedEducation #Oxygen #Delivery ... Comparison #table #pulmonary ... #criticalcare
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
(CO) & oxygen delivery ... • CARDIOGENIC: Rate ... Cardiac Tamponade, Pulmonary ... develop low CO later ... guyton #curves #criticalcare
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
pressures (RA, RV) ● Pulmonary ... pressure (PAp) ● Pulmonary ... – CVP]/CO) ● Pulmonary ... SVI = CI/heart rate ... 0.136) ● Oxygen delivery
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Classification Types - Pathophysiology ... Pulmonary embolism ... small left and right ... #Shock #Types #Pathophysiology ... #Comparison #criticalcare
Volume Assist/Control Mechanical Ventilation
How does this mode work?
 • Delivers a set volume of air with
Delivers a set ... not exceed safe limits ... by selecting a rate ... ventilation #AC #criticalcare ... #pulmonary