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Electrocardiography
/content/chapter/10.22233/9781910443156.chap11
Electrocardiography
- Author: Stephen Collins
- From: BSAVA Manual of Small Animal Practice Management and Development
- Item: Chapter 11, pp 197 - 201
- DOI: 10.22233/9781910443156.11
- Copyright: © 2012 British Small Animal Veterinary Association
- Publication Date: January 2012
An electrocardiogram is a recording of the electrical activity of the heart, providing definitive information about heart rate and rhythm. ECG recording is indicated when investigating cardiac arrhythmia, heart disease or collapse. This chapter considers electrocardiography machines and how to choose the optimal machine for your practice.
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Figures
/content/figure/10.22233/9781910443156.chap11.fig11_1
11.1
(a) Standard leads for electrocardiography.
(right ‘arm’) – attach to right elbow;
(left ‘arm’) – attach to left elbow;
(left leg) – attach to left stifle;
(right leg, earth lead) – attach to right stifle. (b) Patient positioning and restraint for a resting ECG. (b, Courtesy of Simon Dennis. Reproduced from
BSAVA Manual of Canine and Feline Cardiorespiratory Medicine, 2nd edn
). © 2012 British Small Animal Veterinary Association
(right ‘arm’) – attach to right elbow;
(left ‘arm’) – attach to left elbow;
(left leg) – attach to left stifle;
(right leg, earth lead) – attach to right stifle. (b) Patient positioning and restraint for a resting ECG. (b, Courtesy of Simon Dennis. Reproduced from
BSAVA Manual of Canine and Feline Cardiorespiratory Medicine, 2nd edn
). © 2012 British Small Animal Veterinary Association10.22233/9781910443156/fig11_1_thumb.gif
10.22233/9781910443156/fig11_1.png
11.1
(a) Standard leads for electrocardiography.
(right ‘arm’) – attach to right elbow;
(left ‘arm’) – attach to left elbow;
(left leg) – attach to left stifle;
(right leg, earth lead) – attach to right stifle. (b) Patient positioning and restraint for a resting ECG. (b, Courtesy of Simon Dennis. Reproduced from
BSAVA Manual of Canine and Feline Cardiorespiratory Medicine, 2nd edn
).
(right ‘arm’) – attach to right elbow;
(left ‘arm’) – attach to left elbow;
(left leg) – attach to left stifle;
(right leg, earth lead) – attach to right stifle. (b) Patient positioning and restraint for a resting ECG. (b, Courtesy of Simon Dennis. Reproduced from
BSAVA Manual of Canine and Feline Cardiorespiratory Medicine, 2nd edn
).
/content/figure/10.22233/9781910443156.chap11.fig11_2
11.2
Lead II trace for interpretation. © 2012 British Small Animal Veterinary Association
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11.2
Lead II trace for interpretation.
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11.3
Electrodes. (a) Crocodile clips, with filed teeth to improve comfort. (b) Atraumatic clips. (c) Button clip for use with adhesive electrodes. (d) Adhesive electrodes. (e) Clip attached by an adhesive pad to prevent skin trauma. (e, Courtesy of Ruth Willis. Reproduced from
BSAVA Manual of Canine and Feline Cardiorespiratory Medicine, 2nd edn
). © 2012 British Small Animal Veterinary Association
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11.3
Electrodes. (a) Crocodile clips, with filed teeth to improve comfort. (b) Atraumatic clips. (c) Button clip for use with adhesive electrodes. (d) Adhesive electrodes. (e) Clip attached by an adhesive pad to prevent skin trauma. (e, Courtesy of Ruth Willis. Reproduced from
BSAVA Manual of Canine and Feline Cardiorespiratory Medicine, 2nd edn
).
/content/figure/10.22233/9781910443156.chap11.fig11_4
11.4
The ECG is recorded and transcribed on to the paper in real time. © 2012 British Small Animal Veterinary Association
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11.4
The ECG is recorded and transcribed on to the paper in real time.
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11.5
ECG trolley ready for use. © 2012 British Small Animal Veterinary Association
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11.5
ECG trolley ready for use.
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11.6
ECG recording and display via a telemetric system. © 2012 British Small Animal Veterinary Association
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11.6
ECG recording and display via a telemetric system.
/content/figure/10.22233/9781910443156.chap11.fig11_7
11.7
Fitting a digital Holter monitor to a dog for ambulatory ECG recording. (a) Adhesive electrodes positioned over left heart apex and base. (b) Programming the Holter monitor. (c) Holter in protective case. (d) Holter bandaged in position. © 2012 British Small Animal Veterinary Association
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11.7
Fitting a digital Holter monitor to a dog for ambulatory ECG recording. (a) Adhesive electrodes positioned over left heart apex and base. (b) Programming the Holter monitor. (c) Holter in protective case. (d) Holter bandaged in position.