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Oxygen Saturation - Measurement Techniques and Limitations • Sp02 - Cutaneous pulse oximeter • SaO2 Calculated
Limitations • Sp02 ... pulse oximeter • SaO2 ... ABG device • SaO2
Hypoxia and Hypoxemia - Overview Hypoxia - insufficient oxygen delivered to tissues to meet demands Hypoxemia - low
measured on ABG) SaO2 ... output) - Low SvO2 ... Low CaO2 → Low SvO2 ... High PaO2, High SvO2
DO2 Equation in Shock = Oxygen Delivery DO2 = CO x (1.39 x [Hb] x SaO2 +(0.003xPaO2)) DO2
(1.39 x [Hb] x SaO2 ... grams per litre) SaO2 ... Oxygen #Delivery #criticalcare
Markers of Organ Dysfunction in Severe Sepsis Altered consciousness Confusion Psychosis Tachycardia Hypotension Altered CVP Altered
PaO2 <70mmHg SaO2 ... Severe #Sepsis #CriticalCare
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms Direct measurements ● Central venous pressure
oxyhemoglobin saturation (SvO2 ... x 13.4 x Hb x SaO2 ... 13.4 x Hb conc x [SaO2 ... – SvO2]) RA pressures
Severe Asthma Exacerbation Signs of a Severe Asthma Exacerbation: • Vitals: ↑HR ↑RR ↓SpO2 • High work
Vitals: ↑HR ↑RR ↓SpO2 ... #Exacerbation #CriticalCare
Mechanical Ventilation: The Basics In the most basic sense, ventilator modes are defined by their control variable
ladder, FiO2: goal spO2 ... ladder, FiO2: goal spO2 ... -8, FiO2: goal spO2 ... Comparison #management #criticalcare
Clinical Examination of the Critically Patient #PhysicalExam #CriticalCare #Evaluation #Diagnosis
Clinical Examination ... #PhysicalExam #CriticalCare
Therapy Options in Acute Respiratory Distress Syndrome #CriticalCare #ARDS #Pulmnology #clinical #ICU
Distress Syndrome #CriticalCare ... ARDS #Pulmnology #clinical
Mass General Hospital COVID19 Critical Care Treatment Guide #COVID19 #CriticalCare #Treatment #MGH #Management #Coronavirus #SARSCOV2
Hospital COVID19 Critical ... Guide #COVID19 #CriticalCare
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