CABG 1A

Question 0

WHAT VARIABLES ARE ASSOCIATED WITH INCREASED RISK OF CARDIAC SURGERY?

Answer 0

INCREASED AGE, FEMALE, POOR EF, FAT, REOPERATION, EMERGENCY, AND TYPE OF SURGERY (AORTIC STENOSIS TENDS NOT TO DO WELL)

Question 1

PROGNOSIS OF CAD IS DETERMINED BY WHAT 3 THINGS/

Answer 1

1. NUMBER OF VESSELS INVOLVED
2. WHAT VESSELS ARE INVOLVED (LAD/CIRCUMFLEX) SUPPLIES THE LEFT VENT.
3. DEGREE OF NARROWING. START TO SEE S/S AT 75% BLOCKAGE

Question 2

WHAT IS THE LAD BLOOD SUPPLY?

Answer 2

2/3 OF ANTERIOR INTRAVENTRICULAR SEPTUM. R/L BUNDLE BRANCHES, PAPILLARY MUSCLES OF MITRAL, AND THE LEFT VENTRICLE!!!!

Question 3

WHAT DOES LEFT CIRCUMFLEX SUPPLY?

Answer 3

LEFT ATRIAL WALL, POSTERIOR LEFT VENTRICLE!!!

Question 4

WHAT DOES THE RIGHT CORONARY ARTERY SUPPLY?

Answer 4

SA/AV NODES! RIGHT ATRIA AND VENT.

Question 5

CALCULATE SVR…….

WHAT IS NORMAL?

Answer 5

    CO

Question 6

WHERE DO CORONARY ARTERIES ORIGIONATE?

Answer 6

ASCENDING AORTA. IN CABG THESE ARE BYPASSED AND NEW ARTERY ANASTAMOSED SUPERIOR TO THESE.

Question 7

WHAT IS NORMAL CO/CI?

Answer 7

CO 4-8 L/MIN

CI: 2.5-4 L/MIN/M2

Question 8

WHAT IS NORM PAP?

PCWP?

Answer 8

PAP: 15-30/8-13
PCWP: 6-12

Question 9

WHAT IS NORM EF?
SV?
CVP?

Answer 9

EF: 55-70%
SV: 60-100 ML PER BEAT
CVP: 0-8