Thorax/ Spine Flashcards
Rib wc has a prominent scalene turbecle
1
Broadest and most curved rib
1
Rib that has tuberosity for serratus anterior
2
Articulates with T10 vertebra only
10
Ribs without neck or tubercle
11-12
Most commonly fractured rins
7-10
Costal cartilages have what type of joints
Synovial
Boundaries of thoracic outlet
Post- 1st thoracic vertebra
Lat- Medial border first rib
Ant- manubrium sterni
Boundaries of inferior thoracic aperture
T12, rib 11 and 12, costal margin,xiphsternal joint
Atypical cervical vertebrae
C1,C2,C7
What passess through the Transverse foramen
Vertebral artery(upper 6 cervical vertebra)
Divides subclavian to 3 parts
Scalenlus anterior
What makes C2 atypical
Odontoid process
What makes atlas atypical
It has no body
First part of subclavian includes
Vertebral, thyrocervical, internal thoracic
Second part of vertebra
Costocervical
Costal facets of thoracic ribs are articulation with rib except
T11 and T12
Total number of vertebrae
33
Spinal cord ends in what level in newborns
L3
Clavicular notch is found in wc part of the sternum
Clavicular notch
Costal notch is found in which part of the sternum
Body
Xiphoid process becomes bony at what age
40
Found at the inferior border of the rib, protects IC nerve/BV
Costal groove
Weakest point of the ribe
Angle
Most commonly fractured ribs
7-10
Costal margin is formed by which ribs
7-10
Approximate amount of pericardial fluid
30cc
Distention of the neck veins on inspiration due to pericardial effusion(cardiac tamponade)
Kussmaul’s sign
Site of pericardiocentrsjs
Left xiphocostal angle
Most anterior portion of the heart
Right ventricle
Base of the heart
Left atrium
Apex of the heart
Left ventricle
Sternocostal surface of the heart
RV
Diaphragmatic surface of the heart
LV (both ventricles)
Pulmonary surface of the heart
LV
Right border of heart
RA
Inferior border of heart
RV
Left border of the heart
LV
Superior border of the heart
R/L auriclea
Coronary sinus tributaries
Great, small, middle
Venous drainage (open directly to RA)
Venae cordismininae
Substernal pain of angina pectoris is referred over which dermatomes
Angina pectoris
Common site of an infarction in MI
Anterior interventricular
Moderator band is found in which chamber
Right ventricle
Dorsal and ventral nerve roots of L2 to coccygeal 1
Cauda equina
Supplies ventral 2/3 of spinal cord
Ant spinal art
Supplies dorsal 1/3 of spinal cord
Post spinal art
What does the Great radicular artery of adamkiewicz supply
It is the main blood supply to the lower part of the spinal cord
Paraplegia, impotence, incontinence, loss of pain and temp with intact vibration and propioception due to ligation of great radicular a
Ant spinal artery syndrome
How many spinal nerves are there?
31 pairs
