7565 results
Coronary Oxygen Balance 

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

#cardiac #oxygen #pathophysiology
Coronary Oxygen ... Myocardial Oxygen ... Blood Flow <-> Oxygen ... Availability #cardiac #oxygen
DO2 Equation in Shock = Oxygen Delivery
DO2 = CO x (1.39 x [Hb] x SaO2 +(0.003xPaO2))
DO2
Equation in Shock = Oxygen ... DO2 = Rate of oxygen ... minute) 1.39 = Oxygen ... = Haemoglobin oxygen ... every 1 mmHg of oxygen
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery ... • Delivers oxygen ... • Delivers oxygen ... percentage of oxygen ... Delivers 24%—60% oxygen
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... - atmospheric oxygen ... PAO2 - alveolar oxygen ... alveoli) PaO2 - oxygen
Normal Hemodynamic Cardiac Parameters

Central Venous Pressure 

Pulmonary Artery Wedge Pressure 

Cardiac Index 

Stroke Index 

Systemic Vascular
Resistance Index Oxygen ... Delivery Oxygen ... Uptake Oxygen
Oxygen Delivery Systems and Approximate FiO2:
#Management #SupplementalO2 #Oxygen #Delivery #Devices #Interface #FiO2 #NonRebreather #HFNC #NasalCannula #Simple
Oxygen Delivery ... SupplementalO2 #Oxygen
Graded Oxygen Administration in COVID-19

#respiratory #support #COVID19 #management #schema #criticalcare #hypoxia #failure #algorithm #coronavirus #sarscov2 #oxygen
Graded Oxygen Administration ... coronavirus #sarscov2 #oxygen
Oxygen Therapy Devices
 • Nasal Cannula
 • High Flow Nasal Cannula
 • Facemask / Non-rebreather
 •
Oxygen Therapy Devices ... Intubation #Oxygen
Lactic Acidosis - Classification and Differential Diagnosis
Type A Lactic Acidosis: Inadequate Oxygen Delivery
 • Anaerobic muscular
Acidosis: Inadequate Oxygen ... Reduced tissue oxygen ... Inadequate Tissue Oxygen ... Renal failure, Short
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... small valve to mix oxygen ... increases delivered oxygen ... the exhalation ports ... nickmmark #Mask #Oxygen