Chest pain other diagnostic studies: Difference between revisions
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==Overview== | ==Overview== | ||
[[Invasive Coronary Angiography]] ([[ICA]]) is used to determine the presence and severity of a luminal obstruction of an [[epicardial coronary artery]], including its [[location]], [[length]], and [[diameter]], as well as [[coronary blood flow]]. [[ICA]] provides the characterization of high-grade obstructive stenosis and possibility for percutaneous or [[surgical revascularization]]. ([[IFR]] and [[FFR]]) provide [[physiologic]] characteristic of stenosis. [[Radiation]] exposure to the [[patient]] during an [[interventional procedure]] varied 4 to 10 mSv and is dependent on [[procedural duration]] and complexity. The spatial resolution of [[ICA]] is 0.3 mm; as such, it is impossible to visualize [[arterioles]] (diameter of 0.1 mm) that regulate [[ myocardial blood flow]]. [[Coronary vascular functional]] studies can be performed during [[coronary angiography]]. In normal [[ coronary angiography]] there may be evident abnormal [[coronary vascular function]]. Assessment of [[coronary microcirculation]] and [[coronary vasomotion]] by [[coronary function testing]] are reasonable. | |||
==Other Diagnostic Studies== | ==Other Diagnostic Studies== | ||
Revision as of 18:52, 23 December 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Aisha Adigun, B.Sc., M.D.[2]
Overview
Invasive Coronary Angiography (ICA) is used to determine the presence and severity of a luminal obstruction of an epicardial coronary artery, including its location, length, and diameter, as well as coronary blood flow. ICA provides the characterization of high-grade obstructive stenosis and possibility for percutaneous or surgical revascularization. (IFR and FFR) provide physiologic characteristic of stenosis. Radiation exposure to the patient during an interventional procedure varied 4 to 10 mSv and is dependent on procedural duration and complexity. The spatial resolution of ICA is 0.3 mm; as such, it is impossible to visualize arterioles (diameter of 0.1 mm) that regulate myocardial blood flow. Coronary vascular functional studies can be performed during coronary angiography. In normal coronary angiography there may be evident abnormal coronary vascular function. Assessment of coronary microcirculation and coronary vasomotion by coronary function testing are reasonable.
Other Diagnostic Studies
- Patients who are suspected to have coronary artery disease may require stress testing or angiography to visualize their coronary arteries.
- Peak flow studies and pulmonary function tests may be indicated for patients requiring further evaluation of lung function.