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CP I > GA 3a angiology heart > Flashcards

GA 3a angiology heart Flashcards

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10
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Coronary Artery Bypass Graft?

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Coronary Artery Bypass Graft: Obstruction of the coronary arteries may necessitate replacement of a segment of the coronary artery, this process is called a coronary artery bypass graft. The great saphenous vein is often used based on its comparable diameter to the coronary arteries, its easy of dissection from the lower limb and the fact that it offers lengthy portions with not branching or valves. The radial artery is also used.

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11
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A technique to flatten obstructing plaque against wall of coronary artery?

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Coronary Angioplasty: Insertion of a small balloon catheter into the lumen of the coronary artery. The balloon is inflated to flatten the obstructing plaque against the wall and increase the size of the lumen improving blood flow.

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12
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Aorta location and travels where?

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distal to the Left Ventricle and Aortic Valve, travels superiorly as the very short Ascending Aorta, turns to the left as the Aortic Arch then travels inferiorly as the Descending Aorta through the Thorax (as the Thoracic Aorta), through the Aortic Hiatus on the Thoracic Diaphragm and into the Abdomen (as the Abdominal Aorta)

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Mediastinal A. (supply the lymph nodes of the posterior mediastinum)

Esophageal A. (supply the middle 1/3 of the esophagus)

Pericardial A. (small branches to the pericardium)

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Right Bronchial A. (supplies the structures of the Hilum of the Right Lung, arises from upper Posterior Intercostal A., Descending (Thoracic) Aorta, or Left Bronchial A.)

Left Bronchial A. (supplies the structures of the Hilum
of the Left Lung, arises from the Descending (Thoracic) Aorta)

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  • Posterior Intercostal A. (segmental branches of Descending Aorta travel in the costal groove)
    • Dorsal Branch (travels with the Posterior Ramus of the Spinal Nerves)
    • collateral branch (travels along the superior edge of the Rib inferior to the Intercostal Space)
    • Lateral Cutaneous A. (travels through the Intercostal muscles to supply an area of Skin and Subcutaneous Tissue on the lateral Trunk)​
      • Lateral Mammary Branches (to the Breast)
  • Subcostal A. (travels into the Abdomen below the 12 Rib with the Subcostal N.)
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What supplies the thoracic diaphragm?

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Superior Phrenic A.

doesnt fit into one of he three vascular plane branching patterns

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  • Right Pulmonary A. (branch of Pulmonary Trunk from Right Ventricle of the Heart enters the Lung at the Hilum, thick walled vessels which convey deoxygenated blood)
    • Superior Lobar Artery (to Superior Lobe)
      • Segmental Arteries (Apical, Posterior and Anterior)
    • Middle Lobar Artery (to Middle Lobe)
      • Segmental Arteries (Lateral and Medial)
    • Inferior Lobar Artery (to Inferior Lobe)
      • Segmental Arteries (Superior, Anterior Basal, Medial Basal, Lateral Basal and Posterior Basal)
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  • Left Pulmonary A. (branch of Pulmonary Trunk from Right Ventricle of the Heart enters the Lung at the Hilum, thick walled vessels which convey deoxygenated blood)
    • Superior Lobar Artery (to Superior Lobe)
      • Segmental Arteries (Apicoposterior, Anterior, Lingular)
    • Inferior Lobar Artery (to Inferior Lobe)
      • Segmental Arteries (Superior, Anteromedial Basal, Lateral Basal, and Posterior Basal)
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Pulmonary Embolism

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CN: Pulmonary Embolism: Obstruction of a Pulmonary A. by an embolus, such as a blood clot, fat globule or air bubble. The embolus usually passes from a vein through the right side of the heart into the Pulmonary arteries.

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  • Pulmonary Veins (begin as intersegmental veins between the Bronchopulmonary Segments, travel independently from the Pulmonary A. and Bronchi, empty into the Left Atrium)
    • Right Pulmonary V. (Superior and Inferior branches exit the Lung at the Hilum and enter the Left Atrium of the heart, thin walled vessels which covey oxygenated blood)
    • Left Pulmonary V. (Superior and Inferior branches exit the Lung at the Hilum and enter the Left Atrium of the heart, thin walled vessels which covey oxygenated blood)
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Companion vessels if you are looking at the sternocostal surface?

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companion vessels if looking at the diaphragmatic surface?

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38
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Coronary sinus

where is it what drains into it?

what does it drain into?

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Coronary Sinus (posterior aspect of the Heart, drains Great, Middle and Small V., empties into the Right Atrium of the Heart)

39
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Veins that drain into the coronary sinus where they originate and who they run with?

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  • Great Cardiac V. (originates on the anterior aspect of the Heart between the Right and Left Ventricles, travels with the Anterior Interventricular A., then travels around the Heart, traveling with the Circumflex A. to empty into the Coronary Sinus)
  • Middle Cardiac V. (travels along the posterior aspect of the Heart between the Right and Left Ventricles, travels with the Posterior Interventricular A.)
  • Small Cardiac V. (travels along the inferior border of the Heart, travels with the Right Marginal A.)
40
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Coronary venous circulation

Other two other than the coronary sinus?

where are these?

where do they drain?

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  • Anterior Cardiac V. (anterior surface of the heart, crosses over the Right Atrioventricular Groove, empties directly into the Right Atrium of the Heart)
  • Smallest Cardiac Vs. (extremely small vessels, possessing no valves, exist in the Myocardium and communicate directly with the internal chambers of the Heart)
41
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Veins that drain into the superior vena cava?

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Superior Vena Cava (union of Right and Left Brachiocephalic V. andcAzygous V., drains from superiorly into Right Atrium of the Heart)

42
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Which veins do the posterior intercostal Vs drain into?

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The right posterior intercostal Vs drain into the Azygos V.

The left superiorly drain into accessory hemiazygos v.

The left inferiorly drain into the hemiazygos v.

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What drains into the inferior Vena Cava?

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Inferior Vena Cava (union of Right and Left Common Iliac V., travels through the Abdomen, through the Vena Caval Foramen of the Thoracic Diaphragm, then drains from inferiorly into Right Atrium of the Heart)

44
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what supplies more blood to the AV node and bundle branches?

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CP I (21 decks)

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