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17 Cards in this Set

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manubriosternal joint
aka angle of Louis

junction of upper and middle parts of sternum

where the 2nd costal cartilage articulates with sternum
level of: lower border 4th T vertebra; bifurcation of thorax

**can be felt on surface easily, makes it easy to identify the 2nd rib laterally on each side
xiphisternal joint
where the 7th costal cartilage joins the sternum at the xiphoid process
manubrium
upper part of sternum (one of 3 parts of sternum, incl body and xiphoid process)
intercostal neurovascular bundle
runs along costal space

between innermost intercostal muscle and interior intercostal muscle

order V A N
types of pneumothorax
1. Lung puncture by rib fragment

2. Tear of adhesions (spontaneous)

3. Penetrating wound (chest wall and/or lung)
costo-diaphragmatic recess
pleural cavity below each lung, into which the latter can expand during inspiration

(approx below 6 - 10 rib medial to lateral of lung)
bronchopulmonary segments
anatomical, functional and surgical macroscopic units of each lung,

receive a third order/tertiary bronchus accompanied by a segmental/tertiary branch of pulmonary artery

10 per lung (R has middle, L has lingual, both sup and inf) (L may be 8-10); seperated by connective tissue
Lung lobule
basic unit of lung

supplied by bronchiole, lymphatics, and pulm artery branches (pulm vein run bw lobules)

approx 30-60 per bronchopulmonary segment

1-2cm across, pyramidal in shape
Pulmonary ligament
space at root of lung required for normal expansion during inspiration and space for veins of root to prevent over constriction.
mediastinum
region in centre of chest; contains:
- heart
- major blood vessels
- esophagus
- trachea
thorax
ribs
vertebrae
sternum
accessory muscles of resp
insp:
-sternocleidomastoid
-scalene
-pectoralis minor
-serratus
exp:
-abdominal
-intercostals
dextrocardia
position of heart reversed so apex is misplaced to the right instead of left, usually great vessels and arotic arch mirror image too
- isolated dextrocardia: only heart switched, usually complicated by sever cardiac anomilies = TGA
- situs inversus - general transposition of thoracic and abdominal viscera, less complications
Situs inversus
- general transposition of thoracic and abdominal viscera, less complications
pericardiocentesis
drainage of fluid from pericardial cavity

necessary to relieve cardiac tamponade

remove excess fluid w wide-bore needle
- thru L 5th or 6th intercostal space near sternum,
- or infrasternal angle
septomarginal trabecula
aka moderator band

carries R branch of AV bundle across RV from inferior part of IVS to base of anterior papillary muscle
supraventricular crest
deflects incoming flow into main cavity RV, and outgoing flow into conus arteriosus toward the pulmonary orifice