Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

18. The Heart

Electrocardiogram (ECG)

Anatomy & Physiology

18. The Heart

Electrocardiogram (ECG)

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Multiple Choice

Which of the following are attached to the patient's skin during electrocardiography?

Defibrillator pads

Electrodes

Transducers

Catheters

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Verified step by step guidance

Understand the purpose of electrocardiography (ECG): It is a diagnostic tool used to measure the electrical activity of the heart by detecting voltage changes on the skin.

Recognize the components used in ECG: Electrodes are small conductive pads that are attached to the skin to detect electrical signals from the heart. These signals are then transmitted to the ECG machine for analysis.

Differentiate between the options provided: Defibrillator pads are used for delivering electrical shocks during cardiac emergencies, not for measuring heart activity. Transducers are devices that convert one form of energy into another, often used in imaging techniques like ultrasound, not ECG. Catheters are tubes inserted into the body for fluid drainage or delivery, unrelated to ECG.

Confirm the correct answer: Electrodes are the appropriate choice because they are specifically designed to detect and record the electrical activity of the heart during electrocardiography.

Conclude by emphasizing the importance of proper placement of electrodes on the skin to ensure accurate readings during the ECG procedure.