The AHA Guidelines and Scientifi c Statements HandbookNeed for emergencynoncardiac surgery?
Yes
(Class I, LOE C)Operating roomPerioperative surveillance and postoperative risk stratification and risk factor
managementActive cardiac conditions*Evaluate and treat per ACC/AHA guidelinesConsider
operating roomNo
Low risk surgeryYes
(Class I, LOE B)Yes
(Class I, LOE B)Proceed with
planned surgery†3 or more clinical risk factors1-2 clinical risk factorsNo clinical risk factorsVascular surgeryIntermediate risk surgeryClass IIa, LOE BConsider testing if it willchange management¶Class I, LOE BProceed with
planned surgery†Proceed with planned surgery with HR control¶(Class IIa, LOE B)or consider noninvasive testing (ClassIIb LOE B) if it will change managementFunctional capacity≥4 METSwithout symptoms‡Proceed with planned surgeryNo or unknownYes(Class IIa, LOE B)No NoStep 1 Step 2 Step 3 Step 4Step 5Vascular SurgeryIntermediate risksurgeryFig. 8.1Cardiac evaluation and care algorithm for noncardiac surgery based on active clinical conditions, known cardiovascular disease, or cardiac risk factors for patients 50years of age or greater. *See Table 8.1 for active clinical conditions. †See Table 8.2 for estimated MET level equivalent. ‡Clinical risk factors include ischemic heart disease,compensated or prior heart failure, diabetes mellitus, renal insuffi ciency, and cerebrovascular disease. §Consider perioperative beta-blockade (see Table 8.4) for populations inwhich this has been shown to reduce cardiac morbidity/mortality. ACC/AHA indicates American College of Cardiology/American Heart Association; HR, heart rate; LOE, level ofevidence; and MET, metabolic equivalent.