Basic electrocardiograph and rheography.. Basic Principles of EKG Basic Principles of Electrophysiology Read a EKG tracing Normal EKG Pathology if any. - презентация

1 Basic electrocardiograph and rheography.

2

3 Basic Principles of EKG Basic Principles of Electrophysiology Read a EKG tracing Normal EKG Pathology if any

4

5 Cellular Action Potential

6 Fig 1-10 Page 13

7 Cellular Basis of the EKG

8 Fig 4-8 Page 61 Cardiac Conduction System

9 Genesis of the EKG Tracing

10 Fig Pg 56

11 Fig Pg 64

12 Fig 4-6 Page 60

13 What are those squigles

14 EKG Nomenclature

15 You do need a patient

16 Leads for the EKG

17 Anatomical Correlation

18 Fig A Pg 58

19 Chest Electrode Placement

20 Bipolar Limb Leads

21 Unipolar (Augmented) Limb Leads

22 Augmented Limb Leads

23

24

25

26 Einthovens Triangle

27 Einthoven Axis

28 Cardiac Frontal Axis

29

30 Ringside Seats Do Matter

31

32 ECG Paper ECG paper is designed to move through the ECG machine at 25 mm per second. Each of the smallest boxes are l mm square making the darker lined boxes 5 mm square. Thus, at the usual rate of 25 mm/second flow of the paper through the machine, 5 large boxes pass through the machine per second or (5 x 60 seconds) 300 boxes per minute.ECG paper

33 Time Scale each l mm represents 0.04 seconds. The distance between the darker lined boxes in a horizontal direction represents 5 x 0.04 seconds or 0.2 seconds. Therefore, 25 small boxes (5 large boxes) pass through the machine every second. One large box (made up of 5 small boxes) equals 1/5 (0.20) second.

34 Voltage on the EKG Grid 0.5 mV 0.1 mV

35 The Final Product

36