Cardiovascular System - Wet Room St. 3 and 4 Flashcards

1
Q

How is the heart wall supplied with blood?

A
  • Left and right coronary arteries and their anastomosing branches
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2
Q

How is deoxygenated blood drained from the heart?

A

By the cardiac veins into the coronary sinus in the right ventricle

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3
Q

Identify the atrioventricular and intraventricular sulcus

A
  1. Atrioventricular sulcus
  2. Intraventricular sulcus
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4
Q

Identify the arteries

A

A. RCA and circumflex anastomose

B. Left main coronary artery

C. Right coronary artery

D. Circumflex

E. Posterior descending

F. Left anterior descending

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5
Q

Which part of the aorta do the coronary arteries arise?

A
  • Ascending
  • Coronary ostia
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6
Q

Which arteries anastomose in the coronary sulcus?

A
  • Circumflex
  • RCA
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7
Q

Which arteries anastomose in the intraventricular sulcus?

A
  • Posterior descending
  • Anterior descending
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8
Q

What structures does the RCA provide with blood?

A
  • RA
  • RV
  • AV node
  • SA node
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9
Q

What structures are supplied by the left coronary artery?

A
  • Both ventricles
  • LA
  • SA node
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10
Q

Identify

  • Great cardiac vein
  • Oblique vein of left atrium
  • Middle cardiac vein
  • Small cardiac vein
  • Coronary sinus
  • Anterior cardiac veins
A
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11
Q

Where do lymphatics from the heart drain?

A
  • Tracheobronchial lymph nodes
  • Mediastinal lymph nodes
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12
Q

Where is the cardiac plexus and what nerves pass through it to innervate the heart?

A
  • Located at the bifurcation of the trachea
  • Vagus (parasympatheti)
  • T1-T4 (sympathetic)
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13
Q

Where does the SA node lie?

A
  • Near the opening for the SVC
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14
Q

Where does the AV node lie?

A

In the inferior part of the interatrial septum

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15
Q

Where is the bundle of his found?

A

Within each side of the interventricular septum

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16
Q

What nerves carry back ischaemic pain of the heart if it occur?

A
  • T1-T4 nerves
  • This means the pain is experienced in the anterior chest wall and also the medial side of the left arm
17
Q

Why is pain experienced in the medial side of the left arm in ischaemic pain?

A
  • Innervated by T1 in the brachial plexus