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Indications for Emergency CABG Quiz

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Questions and Answers

What is the main indication for emergency Coronary Artery Bypass Grafting (CABG)?

Asymptomatic 2-vessel disease

Non-ST segment elevation myocardial infarction with ongoing ischemia that responds to medical therapy (correct)

Left main stem coronary artery stenosis < 50%

Disabling angina with a single-vessel disease

What is the preferred type of graft for bridging stenoses in the left anterior descending artery?

Saphenous vein graft

Radial artery graft

Right internal thoracic artery (RITA)

Internal thoracic artery (internal mammary artery) (correct)

When is Coronary Artery Bypass Grafting (CABG) indicated for postinfarct angina?

When there is a single-vessel disease

When the patient has ongoing ischemia after initial medical therapy (correct)

Only after failed PCI

In the absence of left ventricular dysfunction

Which vessel is commonly used for bypass grafting due to its good accessibility and close proximity to the heart?

Internal thoracic artery (internal mammary artery) (A) Signup and view all the answers

In which case would Coronary Artery Bypass Grafting (CABG) be considered an emergency procedure?

Ongoing ischemia with Non-ST segment elevation myocardial infarction (B) Signup and view all the answers

Which vein is considered the first choice in vein bypass grafts for CABG?

Great saphenous vein (B) Signup and view all the answers

In which cases is PCI preferred over CABG?

Symptomatic low-risk obstruction (A) Signup and view all the answers

What is the treatment for postpericardiotomy syndrome?

All of the above (D) Signup and view all the answers

What is a complication that might result from sternotomy in cardiac surgery?

Postoperative renal failure (C) Signup and view all the answers

In the classification of conditions for procedures, what does Class IIb signify?

Usefulness/efficacy less well established (C) Signup and view all the answers