24 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... - Overview Hypoxia ... insufficient oxygen delivered ... #pulmonary #differential ... diagnosis #causes #pathophysiology
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
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
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
Iimitation in the flow rate ... in more severe hypoxemia ... might target ~15 ... management #schema #criticalcare ... #hypoxia #failure
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
cellular and tissue hypoxia ... reduced oxygen delivery ... failure from massive pulmonary ... embolism or severe pulmonary ... diagnosis #management #criticalcare
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
A: Impaired O2 Delivery ... • Decreased O2 Delivery ... Arrest, Severe Hypoxemia ... HIV, Malaria, Late ... Differential #Diagnosis #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