Term
Thoracic Pleura: 2 Types 4 Regions 2 Recesses |
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Definition
Parietal & Visceral Regions of Parietal Pleura: Costal, Diaphragmatic, Mediastinal, Cervical Costomediastinal Recess Costodiaphragmatic Recess |
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Term
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Definition
Right AV = Tricuspid
Pulmonary - 3 Semilunar Cusps
Left AV = Mitral (bicuspid)
Aortic - 3 semilunar cusps |
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Term
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Definition
Right Coronary
-SA Nodal branch
-Marginal branch
-Posterior Interventricular Branch
Left Coronary Artery
-Circumflex Branch
--Left marginal branch of circumflex branch
--Posterior interventricular branch
-Left Anterior Descending
--Diagonal Branch |
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Term
| Parasympathetic Actions on Heart |
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Definition
Decrease Heart Rate
Reduce force of contraction
Constrict coronary arteries |
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Term
| Sympathetic Actions on Heart |
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Definition
Increase heart rate
Increase force of contraction |
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Term
| Branches off arch of the aorta |
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Definition
1. Brachiocephalic Trunk
1a - Right Common Carotid
1b - Right Subclavian
2. Left Common Carotid
3. Left Subclavian |
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Term
| Location & Embryologic Origin of Ligamentum Arteriosum |
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Definition
Superior Mediastinum - Connects pulmonary trunk with arch of aorta
Embryologically = ductus arteriosus |
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Term
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Definition
Septal depression in Right Atrium
Embryo origin = Foramen Ovale |
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Term
| Bronchial Tree, starting at trachea |
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Definition
Trachea
R & L Main Bronchi
Lobar Bronchi
Segmental Bronchi |
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Term
| How many bronchopulmonary segments are there? |
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Definition
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Term
| Location of the bifurcation of the pulmonary trunk. |
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Definition
| Left of midline, just inferior to TIV/V level, anteroinferior to the left of the bifurcation of the trachea. |
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Term
| Which main bronchus is wider & more vertically aligned with trachea? |
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Definition
Right Main Bronchus.
Foreign bodies tend to lodge more in the right side! |
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Term
| Anatomical Features of Lungs |
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Definition
Base - sits on diaphragm
Apex - proj. above rib I
Costal Surface
Mediastinal Surface
Inferior Border
Anterior Border
Posterior Border |
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Term
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Definition
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Term
| Sternal Angle -> TIV/V Vertebral Level |
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Definition
Rib II - Sternum
Superior/Inferior Mediastinum
Ascending aorta ends, arch begins
Arch ends, thoracic aorta begins
Trachea bifurcates |
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Term
| Intercostal Spaces location relative to rib? |
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Definition
| 2nd Intercostal Space = Below 2nd Rib |
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Term
| Lungs inferior margin during quiet respiration @ midclavicular, midaxillary, and vertebra? |
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Definition
Midclavicular = Rib VI
Midaxillary = Rib VIII
Vertebra = TX |
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Term
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Definition
Posterior Midline = TIV
Moves laterally & downward across 4th & 5th intercostal spaces to reach rib VI laterally. |
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Term
| Horizontal Fissure Location |
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Definition
| Follows contour Rib IV, meets Oblique around Rib V laterally |
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Term
| Anatomical Landmarks for Heart |
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Definition
Upper Limit: 3rd Costal Cartilage on R side of sternum, 2nd intercostal space on left side of sternum
Right margin: R 3rd costal cartilage to near the R 6th costal cartilage
Left margin: 2nd intercostal space to apex at 5th intercostal @ midclav. line
Lower margin: sternal end of R 6th costal cartilage to apex in 5th intercostal space near midclav line |
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