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diagnosis management differential pulmonary algorithm criticalcare causes clinical anesthesiology anesthesia checklist workup respiratory cardiology intraoperative pathophysiology treatment covid19 pediatrics peds
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) - Respiratory symptoms must have begun within one
of arterial oxygen ... fraction of inspired oxygen ... (PaO2/FiO2). ... severity of the hypoxemia ... mm Hg < PaO2 / FiO2
Intraoperative Hypoxia / Desaturation / Cyanosis - Guidelines for Crises in Anaesthesia Using these steps from start
Intraoperative Hypoxia ... of unexpected hypoxia ... ❶ Adequate oxygen ... AND give 100% oxygen ... check measured FiO2
Hypoxia and Hypoxemia - Overview Hypoxia - insufficient oxygen delivered to tissues to meet demands Hypoxemia - low
- insufficient oxygen ... - low oxygen in ... ) PIO2 - atmospheric ... oxygen (how much ... PAO2 - alveolar oxygen
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia Hypertension is most commonly due to inappropriate depth of
problem in adequate oxygen ... stimulus. ❷ Adequate oxygen ... check measured FiO2 ... Breathing - exclude hypoxia
Hypoxemia vs Hypoxia Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... pressure of arterial oxygen ... - Insufficient oxygen ... without hypoxia
Cardiac Arrest - Guidelines for Crises in Anaesthesia The probable cause is one or more of: something
). ❷ Adequate oxygen ... flow, give 100% oxygen ... check measured FiO2 ... 4 H’s, 4 T’s: Hypoxia
Mask Oxygen Delivery Devices Simple Mask aka Hudson's Mask: • Flow 6-10 LPM • FiO2 35-50% Face Tent:
Mask Oxygen Delivery ... Flow 6-10 LPM • FiO2 ... small valve to mix oxygen ... increases delivered oxygen ... nickmmark #Mask #Oxygen
Oxygen Delivery by Device Nasal Cannula • Indicated for low-flow, low-percentage supplemental oxygen. • Flow rate of
Oxygen Delivery ... high percentage FiO ... set to desired FiO2 ... deliver desired FiO ... #FiO2 #Pulmonary
Oxygen Delivery Systems and Approximate FiO2: #Management #SupplementalO2 #Oxygen #Delivery #Devices #Interface #FiO2 #NonRebreather #HFNC #NasalCannula #Simple
Oxygen Delivery ... and Approximate FiO2 ... SupplementalO2 #Oxygen ... Devices #Interface #FiO2
Oxygen Delivery Systems Nasal Cannula: • Flow: 1 - 6 L/min • FiO2: 25 - 40% (-4%/L
Oxygen Delivery ... - 6 L/min • FiO2 ... - 10 L/min • FiO2 ... - 15 L/min • FiO2 ... rishikumarmd #Oxygen
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