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Thorax Anatomy
Thorax One Liners
| Question | Answer |
|---|---|
| Dermatome around nipple | T4 |
| Vertebral level at inferior angle of scapula | T7 |
| Structure that lies immediately posterior to manubrium | Thymus |
| Vertebral level associated with sternal angle | Disc between TV4-5 |
| Rib paralleled by horizontal fissure of right lung | 4th |
| Inferior extent of lung at mid-clavicular line | 6th rib |
| Inferior extent of pleura at mid-clavicular line | 8th rib |
| Inferior extent of lung at mid-axillary line | 8th rib |
| Inferior extent of pleura at mid-axillary line | 10th rib |
| Inferior extent of lung posteriorly | 10th rib |
| Inferior extent of pleura posteriorly | 12th rib |
| Innervation of costal pleura | Intercostal nerve |
| Innervation of mediastinal pleura | Phrenic nerve |
| Level where ascending aorta is continuous with arch of aorta | TV4-5 |
| Level where arch of aorta is continuous with descending aorta | TV4-5 |
| Effect of sympathetic nerves on lungs | Bronchodilation, Vasoconstriction |
| Effect of parasympathetic nerves on lungs | Bronchoconstriction, Vasodilation |
| Rationale for aspirated small objects to go to right primary bronchu | Wider diameter, shorter and more vertical |
| Needle location for therapeutic pleural tapping | Superior to 12th rib, posteriorly |
| Name given to portion of right ventricle prior to beginning of pulmonary trunk | conus arteriosum or infundibulum |
| Site for auscultation of pulmonary valve | Left 2nd interspace |
| Site for auscultation of aortic valve | Right 2nd interspace |
| Site for auscultation of tricuspid valve | Xiphisternal joint |
| Site for auscultation of mitral valve | Left 5th interspace, mid-clavicular line |
| Heart chamber with greatest sternocostal projection | Right ventricle |
| Chamber that forms apex of heart | Left ventricle |
| Major chamber that forms base of heart | Left atrium |
| Heart chamber that contains moderator band | Right ventricle |
| Ridge located between sinus venarum and right ventricle | Cristae terminalis at the root of the SVC |
| Artery that determines coronary dominance | Posterior interventricular |
| Usual origin of SA and AV nodal arteries | Right coronary artery |
| Location of SA node | Cristae terminalis |
| Major vessel that drains the musculature of the heart | Coronary sinus |
| Innervation of fibrous pericardium | Phrenic nerve |
| Most common cause of systolic ejection murmur | Aortic stenosis |
| Rib associated with sternal angle | Second rib |
| Location of ductus arteriosus | Between left pulmonary artery and aorta |
| Nerve potentially injured with repair of patent ductus arteriosus | Left recurrent laryngeal nerve |
| Veins that unite to form brachiocephalic | Subclavian and internal jugular |
| Veins that unite to form superior vena cava | Right and left brachiocephalic |
| Termination of azygos vein | Superior vena cava |
| Structures that lie to right and left of thoracic duct | Azygos vein, aorta |
| Spinal levels of greater splanchnic nerve | T5-9 |
| Spinal levels of lesser splanchnic nerve | T10-11 |
| Spinal levels of least splanchnic nerve | T12 |
| Thoracic structures that can compress the esophagus | Left bronchus, aorta and diaphragm |
| Disease often associated with thymoma | Myasthenia gravis |
Created by:
tessah10
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