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Here’s a little hep to help you out with respiratory therapist
Typology: Study notes
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h e S t a n d a r d o f C a
Created by Joshua English, EMT-P James Pointer, MD Mike Jacobs, EMT-P Information can be found in the following resources: Wilkins Ch. 8, p. 146 Ch. 10, p. 314 - 316 Egans Ch. 19, p. 388- 393 Ch. 52, p. 1150 - 1151 PPT updated by: T. Ulrich
Capnometry
Sidestream An indirect method of measuring exhaled CO 2 in non-intubated patients Mainstream Direct method of measuring exhaled CO 2 with intubated patients
Why Capnography? Because respiration, ventilation and oxygenation are
O CO
O o x y g e n a t i o n alveoli perfusion m e t a b o l i s oxygen + m glucose^ energy back to lungs capillary vein CO Vessel Vein Physiology Ventilation Transport Cell Metabolism
Why Capnography? Core Concepts
Normal EtCO 2 O CO N o r m a l
EtCO 2 – End Tidal CO 2 The measurement of exhaled CO 2 in the breath Normal Range | 30-43 mmHg CO
Widened a-ADCO 2
Normal and Abnormal Capnogrpahy? Core Concepts
Hyperventilation Hypoventilation Common Waveforms mmHg 48 8 RR mmHg 24 35 RR
4 Main Uses of Capnography
Moderate Attack Mild Attack EtCO 2 & Asthma mmHg 28 38 RR mmHg 36 20 RR
Severe Attack EtCO 2 & Asthma mmHg 49 9 RR Time To Get MOVING!!! The asthmatic who looks tired and has a shark fin appearance on the capnogram… IS HEADED FOR RESPIRATORY ARREST
