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SPM 100 Clinical Skills Lab 5

SPM 100 Clinical Skills Lab 5. Pulse Oximetry and Cardiac Monitoring Daryl P. Lofaso, M.Ed, RRT. Arterial Blood Gas (ABG). Normal Ranges pH 7.35-7.45 PaCO 2 35-45 mmHg PaO 2 80-100 mmHg. Oxyhemoglobin Dissociation Curve. Oxygen Transport. Dissolved in plasma:

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SPM 100 Clinical Skills Lab 5

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  1. SPM 100 Clinical Skills Lab 5 Pulse Oximetry and Cardiac Monitoring Daryl P. Lofaso, M.Ed, RRT

  2. Arterial Blood Gas (ABG) • Normal Ranges • pH 7.35-7.45 • PaCO2 35-45 mmHg • PaO2 80-100 mmHg

  3. Oxyhemoglobin Dissociation Curve

  4. Oxygen Transport • Dissolved in plasma: • (vol % = 0.0031 (ml O2 /100cm3/mmHg) x PaO2 • Bond to Hemoglobin: • 1.34 ml of O2/g of Hb x g of Hb x g of Hb/100 cm3 x % Saturated

  5. Cyanosis • Approximately 5 g/dl of unoxygenated hemoglobin in the capillaries (> 5 gHb / 100ml of blood)

  6. Hypoxemia: Signs and Symptoms • Tachycardia • Tachypnea • Mental Status Changes

  7. Changes in Oxygenation • Altitude • Hyperbaric Therapy • Carbon Monoxide

  8. ECG MonitorLead Placement

  9. Anatomy of Hearts ElectricalSystem

  10. Basic ECG

  11. Confirmation of Asystole • Check lead and cable • Monitor power • Monitor gain • Change leads

  12. Cardiac Assessment Ref: Bates 8ed

  13. Heart Sounds • S1: “ lub” occurs at the beginning of systole (mitral and tricuspid close) • S2: “dub” marks the start of diastole, (aortic and pulmonic close) • S3: (ventricular gallop) early signs of CHF • S4: (atrial gallop) pulmonic stenosis, aortic stenosis, hypertension, MI & cardiomyopathy

  14. Professional Conduct • Introduce yourself • Explain the procedure / examination to the patient • Ask the patient if they have any questions • Cover the patient with a sheet. Only expose area examining while performing a procedure/examination

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