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Biomedicine 1 - lecture notes on cardiovascular anatomy

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Accurate and concise lecture notes on the cardiovascular system and the anatomy of the heart in relation to dentistry Includes coloured diagrams and images Thorough explanations and definitions of key terms.

Institution
Kings College London (KCL)
Course
Dental Hygiene and Therapy









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Institution
Kings College London (KCL)
Study
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Course
Dental Hygiene and Therapy
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Document information

Uploaded on
May 23, 2024
Number of pages
9
Written in
2023/2024
Type
Class notes
Professor(s)
N/a
Contains
All classes

Subjects

  • biology
  • anatomy
  • chemistry
  • dentistry
  • dental hygiene
  • dental therapy
  • physiology
  • cardiovascular system
  • cardiac
  • heart
  • nursing
  • healthcare

Content preview

Lesson 3: Heart and Cardiovascular system

- The heart is places in the middle of the thoracic cavity
- In between the 2 pleural cavities is the mediastinum (where the heart is)
- In the posterior mediastinum are important blood vessels
- Below the heart is the sternum
- Heart sits on top of the diaphragm
- Heart is surrounded by the pericardium:
1. Serious:
a) Visceral - epicardium (outer layer of the heart)
b) Parietal

2. Fibrous - strong layer of connective tissue attached to diaphragm and sternum.

Pericardium - A sac that surrounds the heart
Functions:
- Lubrication for smooth movement
- Heart position
- Protective layer
- Prevent overfilling

Blood flow through heart
- Double pump
- Oxygenated is left
- Deoxy is right




Atrioventricular valve
- Flexible leaflets
- 3 on each side
- Papillary muscles contract

, Heart sounds




Fossa ovalis - in foetus are open to allow blood to bypass the lungs to go from right to left
atrium more easily
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