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What Is Negative Provocable Myocardial Ischaemia
Blockage: It means that when your heart needs it, your arteries are incapable of delivering blood evenly and sufficiently to all of the heart muscle. This often means blockages in the heart arteries. Your cardiologist can tell you more. ...Read more
Activity or emotion: The heart may have adequate blood flow to function normally at rest or lower levels of activity. However when you increase the nutrition needs of the heart as with exercise or strong emotions the blood flow is insufficient due to blockages and provokes ischemia which can be detected by various forms of stress test. Chest pain, shortness of breath & fatigue are the common symptoms of ischemia. ...Read moreSee 1 more doctor answer
Toponins,clinic,wall: Acute cardiogenic shock, .Ventricular arrythmias, infarct syndrome, flash pulmonary edema, wall motion abnormalities, syncope, presyncope, cardiac arrest, . It takes 4 hours for troponins to elevate after the infarct begins. That is why clinical symptoms dictate emergent coronary interventions. Troponins may still be normal within minutes of a life threatening myocardial infarct. ...Read moreSee 3 more doctor answers
Test specificity: The ett is just a test. Like all tests, it has its strengths and weaknesses. At best, it is no better than 80% accurate. The coronary angiogram, which is also a test and thus imperfect, is the gold standard to which the stress test is measured. Example: the national weather bureau forecasts rain. It doesn't rain. What happened? (they were wrong!). ...Read more
Let me try to: Myocardial perfusion scan is a nuclear medicine procedure that illustrates the function of the heart muscle (myocardium). It evaluates many heart conditions from coronary artery disease to hypertrophic cardiomyopathy and myocardial wall motion abnormalities. The function of the myocardium is also evaluated by calculating the left ventricular ejection fraction (lvef) of the heart. Good luck. ...Read moreSee 3 more doctor answers
Heart stroke: A heart stroke is also known as a myocardial infarction or heart attack. A blood clot forms in a heart blood vessel. This cuts off flow to a part of the heart and that part dies. This can cause pain, rhythm and pumping disturbances. These things can result in disability or death. ...Read more
Heart attack: Myocardial infarction mean death ("infarction") of heart muscle (card ~heart and myo~muscle). This happens when the heart muscle is not getting the oxygen it needs over a relatively long period of time. This can happen from a narrowing of a blood vessel which reduces flow or from a suddenly, totally blocked vessel. The heart can't stop working, so that part keeps trying to pump blood until the the ...Read more
Q vs. non-Q: When a heat attack causes a full thickness ("transmural") heart attack, the ekg reveals the resulting scar by inscribing a "q" wave in the leads that correspond to the damaged area. If the heart attack was not transmural or occurred in an area not seen well on ekg, there may be no q waves. If you had no symptoms at the time of the heart attack (25-50% of all attacks), it will be "unrecognized.". ...Read moreSee 1 more doctor answer
Continuum: Both are a result of inadequate blood supply to the heart muscle. Acute coronary syndrome means that the imbalance is sufficient to cause symptoms that prompt aggressive intervention, but may not result in permanent heart damage; a myocardial infarction implies that overt heart damage has occurred, hence positive markers of tissue damage. ...Read more
Blocked Heart Artery: Provocable ischemia occurs when a heart artery is blocked and exercise creates a condition where the heart muscle needs more blood than the artery can deliver. It may create the classic clinical symptom of angina pectoris or chest pain. Tests to diagnose provocable ischemia include the treadmill, nuclear stress/chemical testing, and stress echocardiography. ...Read moreSee 1 more doctor answer
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