19 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... - alveolar oxygen ... blood (measured on ABG ... diagnosis #causes #pathophysiology
Coronary Oxygen Balance 

Myocardial Oxygen Demand <-> Coronary Artery Blood Flow <-> Oxygen Availability

#cardiac #oxygen #pathophysiology
Coronary Oxygen ... Myocardial Oxygen ... Blood Flow <-> Oxygen ... #pathophysiology ... #anesthesia #anesthesiology
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... + (↑ pH) • ↓ PCO2 ... + (Acid) • ↑ PCO2 ... MatthewHoMD #Oxygen ... Dissociation #Curve #pathophysiology
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... x Hb x sO2) + (PaO2 ... DO2 = Rate of oxygen ... effective hemoglobin PaO2 ... Delivery #Equation #pathophysiology
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia
Hypertension is most commonly due to inappropriate depth of
problem in adequate oxygen ... stimulus. ❷ Adequate oxygen ... confirm reservoir bag ... using reservoir bag ... Anesthesiology #Anesthesia
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery ... • Delivers oxygen ... • Delivers oxygen ... permit exhaled CO2 ... use of reservoir bag
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
problem in adequate oxygen ... ❶ Adequate oxygen ... AND give 100% oxygen ... confirm reservoir bag ... using reservoir bag
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
for Crises in Anaesthesia ... analgesia. ❷ Adequate oxygen ... confirm reservoir bag ... using reservoir bag ... Anesthesiology #Anesthesia
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
). ❷ Adequate oxygen ... flow, give 100% oxygen ... • If expired CO2 ... using reservoir bag ... Anesthesiology #Anesthesia
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
. ❶Adequate oxygen ... AND give 100% oxygen ... confirm reservoir bag ... using reservoir bag ... Anesthesiology #Anesthesia