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Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Oxygen Delivery ... Simple Face Mask ... Nonrebreather Mask ... Venturi Mask (venti-mask ... Delivery #FiO2 #Pulmonary
Oxygen Delivery Methods
 • Nasal Cannula
 • Nonrebreather Mask
 • Non-Invasive Ventilation (CPAP/BiPAP)
 • Venturi Mask
Oxygen Delivery ... Nonrebreather Mask ... BiPAP) • Venturi Mask ... @DharSaty #Oxygen ... #respiratory #pulmonary
Normal Hemodynamic Cardiac Parameters

Central Venous Pressure 

Pulmonary Artery Wedge Pressure 

Cardiac Index 

Stroke Index 

Systemic Vascular
Venous Pressure Pulmonary ... Resistance Index Pulmonary ... Resistance Index Oxygen ... Delivery Oxygen ... Uptake Oxygen
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
Oxygen Delivery ... of flow) Face Mask ... ~40% Venturi Mask ... rishikumarmd #Oxygen ... devices #management #pulmonary
#oxygen #deliver #mask #hospital #nasal #cannula #venturi #mask #face #nonrebreather #o2
#oxygen #deliver ... #mask #hospital ... cannula #venturi #mask
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 ... #Oxygen #Delivery ... Devices #management #pulmonary
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... MatthewHoMD #Oxygen ... pathophysiology #pulmonary
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 ... Hypoxemia #summary #pulmonary
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
pressure of arterial oxygen ... - Insufficient oxygen ... diagnosis #comparison #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
DECREASED INSPIRED OXYGEN ... Difficulty diffusing oxygen ... with supplemental oxygen ... lung diseases, pulmonary ... asthma, COPD, pulmonary