Radionuclide imaging of myocardium with mental stress in the investigation of thoracic pain

Thoracic pain is a common symptom in emergency services, and stress radionuclide imaging represents one of the phases of risk stratification in these individuals. However, a group of patients with negative functional exams after physical or pharmacological stress develops myocardial ischemia during...

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Bibliographic Details
Published in:	Arquivos brasileiros de cardiologia Vol. 93; no. 4; pp. e63 - e66
Main Authors:	Silva, Lívia Maria Lima da, Barbirato, Gustavo Borges, Drumond Neto, Cantídio, Nóbrega, Antonio Claudio Lucas da, Coimbra, Alexandro, Mesquita, Claudio Tinoco
Format:	Journal Article
Language:	English Portuguese
Published:	Brazil 01-10-2009
Subjects:	Aged Chest Pain - diagnostic imaging Female Humans Myocardial Ischemia - diagnostic imaging Radionuclide Imaging - methods Stress, Psychological - complications
Online Access:	Get full text
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Summary:	Thoracic pain is a common symptom in emergency services, and stress radionuclide imaging represents one of the phases of risk stratification in these individuals. However, a group of patients with negative functional exams after physical or pharmacological stress develops myocardial ischemia during this psychological stress. Alterations in vascular tonus as a response to endogenous mechanisms are the physiopathologic basis for such alterations. We report a case that illustrates how mental stress radionuclide imaging has the potential to be used in the assessment of myocardial ischemia non-detected by conventional methods in patients with suspicion of ischemic thoracic pain.
Bibliography:	ObjectType-Case Study-2 SourceType-Scholarly Journals-1 ObjectType-Feature-4 content type line 23 ObjectType-Report-1 ObjectType-Article-3
ISSN:	1678-4170
DOI:	10.1590/S0066-782X2009001000024