Blood gas analyser ppt

Blood Gas Analyser to measure partial pressure of dissolved gases in blood

1. SNS COLLEGE OF TECHNOLOGY (An Autonomous Institution) Approved by AICTE New Delhi & Affiliated to Anna University Accredited by NBA - AICTE Accredited by NAAC with A+ Grade, Recognized by UGC Blood Gas Analyser Prepared by, Benaruth M II BioMedical Benaruth M Blood Gas Analyser 1

2. BLOOD GAS ANALYSER Benaruth M Blood Gas Analyser 2

3. BLOOD GAS ANALYSER Blood Gas Analysers are used to measure the pH Partial pressure of Carbon di oxide (pCO 2 ) Partial pressure of oxygen (pO 2 ) A sudden change in these could result in Cardiac arrhythmia Ventricular hypotension This may also lead to death Benaruth M Blood Gas Analyser 3

4. The acidity and alkalinity of solution depend on concentration of hydrogen ion. Measured using Glass Electrode BLOOD p H MEASUREMENT Benaruth M Blood Gas Analyser 4

5. pH MEASUREMENT Benaruth M Blood Gas Analyser 5

6. BLOOD pH Electrode Blood pH is measured using glass electrodes of different shape. The reference electrode used is Ag/AgCl or Calomel Electrode. 6 Benaruth M Blood Gas Analyser

7. BLOOD PCO 2 Measured using electrode with plastic cover. Electrode and cover has Bicarbonate buffer in between The change in pH of the buffer shows the amount of Carbondioxide dissolved Benaruth M Blood Gas Analyser 7

8. BLOOD PO 2 Cathode: Platinum Anode:Ag-AgCl Electrolye:NaCl Voltage:700mV Benaruth M Blood Gas Analyser 8

9. COMPLETE BLOOD GAS ANALYSER Benaruth M Blood Gas Analyser 9

10. Benaruth M Blood Gas Analyser 10