ABC | Volume 114, Nº2, February 2020

Update Update of the Brazilian Guideline on Nuclear Cardiology – 2020 Arq Bras Cardiol. 2020; 114(2):325-429 LV - left ventricle LVAD / VAD - left ventricular assist device / ventricular assist devices LVEF - left ventricular ejection fraction MBF - myocardial blood flow MBFR - myocardial blood flow reserve MBq - megabequerel mCi - milicurie MET - metabolic equivalent. MFR - myocardial flow reserve MIBI / SESTAMIBI - 2-methoxy-isobutyl-isonitrile MPS - myocardial perfusion scintigraphy MR - magnetic resonance MRS - myocardial revascularization surgery mSv - millisieverts MVO 2 - myocardial oxygen consumption NaI - sodium iodine NE - norepinephrine NPV - negative predictive value NSTEMI - non-ST segment elevation myocardial infarction NSVT - nonsustained ventricular tachycardia NYHA HF - New York Heart Association Heart Failure Class OMT - optimized medical therapy OR - odds ratio OSEM - ordered subset expectation maximization PAREPET - prediction of arrhythmic events with positron emission tomography PARR-2 - PET and Recovery after Revascularization study PCI - percutaneous coronary intervention PET - positron emission tomography PET/CT - positron emission tomography coupled with computed tomography (hybrid imaging) PET/MR - positron emission tomography coupled with magnetic resonance (hybrid imaging) PM - pacemaker PREMIER - Performance of Rest Myocardial Perfusion Imaging in the Management of Acute Chest Pain in the Emergency Room in Developing Nations PROCAM - PROSpective CArdiovascular Munster Study PROMISE - Prospective Multicenter Imaging Study for Evaluation of Chest Pain RCA - right coronary artery Regad. - regadenoson RESCUE - Randomized Evaluation of patients with Stable angina Comparing diagnostic Examinations ROC - receiver operating characteristics ROI - regions of interest ROMICAT II - rule out myocardial infarction by cardiac computed tomography RV - right ventricle/ventricular SBC - Brazilian Society of Cardiology SBMN - Brazilian Society of Nuclear Medicine SBP - systolic blood pressure SCORE - Systematic Coronary Risk Evaluation Study SDS - summed difference score Shining / Shine Through - residual activity effect SPECT - myocardial perfusion imaging by single photon emission computed tomography SRS - summed rest/redistribution score SSS - summed stress score STEMI - ST segment elevation myocardial infarction STICH - Surgical Treatment for Ischemic Heart Failure study SUS - Brazil’s public Single Health System (acronym in Portuguese) SUV - standard uptake value TIA - transient ischemic attack TID - transient ischemic dilatation TOF - time of flight TTR - transthyretin TTR CA - transthyretin cardiac amyloidosis UA - unstable angina USA - United States of America VAD - ventricular assist devices VF - ventricular fibrillation VT - ventricular tachycardia WR - myocardial washout rate 328