Thorax Flashcards
Typical ribs
Ribs 3-9
Broadest and most curved rib with prominent scalene tubercle for attachment of scalenus anterior muscle
1st rib
Features of typical rib
Has head, neck, tubercle and body
Rib that has tuberosity for serratus anterior
Rib 2
Ribs without neck or tubercle
11 and 12
Weakest point of a rib
Anterior to angle
Ost commonly fractured ribs
Ribs 7-10
Site for pericrdiocentesis
Left xiphosternal angle
Auscultatory areas
Aortic - 2nd right intercostal space
Pulmonary - 2nd left intercostal space
Tricuspid - lower end of sternum
Mitral - 5th ICS LMCL
Venous drainage of left atrium and ventricle
Circumflex branch of the left coronary
Venous drainage of interventricular sptum and apex
Anterior interventricular branch of left coronary
Venous drainage of right ventricle
Anterior interventricular art and marginal branch of right coronary
Venous drainage of right atrium
Right coronary artery
Parasympathetic nerve supply of the heart
Vagus nerve
Common siteof occlusion in MI
Anterior interventricular artery
Remnant of foramen ovale persists after birth leads to ASD
Fossa ovalis
Most posterior of the 4 chambers of the heart
Left atrium
Most common type of CHD
VSD
Most common congenital anomaly associated with maternal rubella infections during early pregnancy
PDA
Contents of an intercostal space from top to bottom
Vein
Artery
Nerve
“van”
