Med Surg II Exam 1: CABG Questions
With 100% Verified Answers
CABG surgery -
correct answer ✅Provides additional conduits for blood flow
What can they use for CABG? -
correct answer ✅Saphenous vein
Internal mammary artery (IMA)
Radial artery
Indications for CABG -
correct answer ✅Unstable angina
AMI - too many blood vessels blocked
Failure of percutaneous interventions
Cardiopulmonary bypass [CABG] -
correct answer ✅Oxygenation
Mechanical circulation
Heparinization
Hemodilution
Traditional CABG procedure -
correct answer ✅Median sternotomy or sternum split
,Med Surg II Exam 1: CABG Questions
With 100% Verified Answers
Excision of pericardium
Cardiopulmonary bypass
Myocardial preservation or cardioplegia
Goals of CABG surgery -
correct answer ✅Increase blood flow to myocardium
Relieve symptoms
Prolong survival
Improve quality of life
Minimally invasive direct coronary artery bypass surgery -
correct answer ✅No cardiopulmonary bypass (off pump)
Heart still beating
One or two bypasses
Transmyocardial Revascularization -
correct answer ✅Laser channels into ventricle
Goal is to increase perfusion of heart muscle
Relief of symptoms occurs over time
Poor candidates for CABG
, Med Surg II Exam 1: CABG Questions
With 100% Verified Answers
Mixed results from clinical trials
Management: Mediastinal tubes -
correct answer ✅Removes fluid from mediastinal space
Mediastinal space encloses the esophagus, trachea, heart, and
aorta
Too much mediastinal drainage -
correct answer ✅Too much: Greater than 100 mL/hr X 2
Adm platelets, FFP, PRBC
Protamine sulfate to reduce heparin
Too little mediastinal drainage -
correct answer ✅Too little; if fresh post-op expect more output
Assess for cardiac tamponade otherwise maybe ok
Cardiac tamponade -
correct answer ✅Elevated filling pressures
CVP, PADP, PAOP
Decreased cardiac output
Decreased BP
With 100% Verified Answers
CABG surgery -
correct answer ✅Provides additional conduits for blood flow
What can they use for CABG? -
correct answer ✅Saphenous vein
Internal mammary artery (IMA)
Radial artery
Indications for CABG -
correct answer ✅Unstable angina
AMI - too many blood vessels blocked
Failure of percutaneous interventions
Cardiopulmonary bypass [CABG] -
correct answer ✅Oxygenation
Mechanical circulation
Heparinization
Hemodilution
Traditional CABG procedure -
correct answer ✅Median sternotomy or sternum split
,Med Surg II Exam 1: CABG Questions
With 100% Verified Answers
Excision of pericardium
Cardiopulmonary bypass
Myocardial preservation or cardioplegia
Goals of CABG surgery -
correct answer ✅Increase blood flow to myocardium
Relieve symptoms
Prolong survival
Improve quality of life
Minimally invasive direct coronary artery bypass surgery -
correct answer ✅No cardiopulmonary bypass (off pump)
Heart still beating
One or two bypasses
Transmyocardial Revascularization -
correct answer ✅Laser channels into ventricle
Goal is to increase perfusion of heart muscle
Relief of symptoms occurs over time
Poor candidates for CABG
, Med Surg II Exam 1: CABG Questions
With 100% Verified Answers
Mixed results from clinical trials
Management: Mediastinal tubes -
correct answer ✅Removes fluid from mediastinal space
Mediastinal space encloses the esophagus, trachea, heart, and
aorta
Too much mediastinal drainage -
correct answer ✅Too much: Greater than 100 mL/hr X 2
Adm platelets, FFP, PRBC
Protamine sulfate to reduce heparin
Too little mediastinal drainage -
correct answer ✅Too little; if fresh post-op expect more output
Assess for cardiac tamponade otherwise maybe ok
Cardiac tamponade -
correct answer ✅Elevated filling pressures
CVP, PADP, PAOP
Decreased cardiac output
Decreased BP
