Causes of demand ischemia
[PDF File]Narrative Review: Alternative Causes for Elevated Cardiac ...
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• Ischemia occurs when the blood supply to a tissue is inadequate to meet the tissue’s metabolic demands • Ischemia has 3 principal biochemical components: – Hypoxia (including anoxia) – Insufficiency of metabolic substrates – Accumulation of metabolic waste • Therefore, ischemia is a …
[PDF File]TYPE II MI - ACDIS
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Demand Ischemia v. Type 2 NSTEMI Note: both are due to O 2 supply-demand mismatch between a patient’s myocardium and the coronary arteries which it supplies. However, Demand Ischemia is a term that codes to a comorbid condition (CC) while the terminology of Type 2 NSTEMI codes to major comorbid condition (MCC).
[PDF File]Demand Ischemia v. Type 2 NSTEMI - Brundage Group
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Supply/demand (type 2) myocardial infarction is a commonly encountered clinical challenge. It is anticipated that it ... supply/demand ischemia, as patients may have any number of factors leading to increased demand or decreased supply, which in addition may or may not be in the setting of
[PDF File]Ischemia and Infarction - MIT OpenCourseWare
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“Troponemia” Troponemia is a lab finding and is not a diagnosis. ... Demand Ischemia Does not code to an acute MI. Demand ischemia is due to supply demand mismatch. 3) NSTEMI Type 2 This codes to an acute MI from a coding perspective. Type 2 NSTEMI is also due to supply demand mismatch.
[PDF File]Table 1. Causes of type 2 2. NSTEMI, myocardial infarction
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Demand Ischemia Also known as type 2 MI, demand ischemia occurs when there is an imbalance between myocardial oxygen demand and cardiac blood supply [2,13]. This disparity causes lack of sufficient oxygen delivery to the myocytes leading to injury and necrosis and subsequent troponin release. Examples of type 2 infarction
[PDF File]Supply/Demand Type 2 Myocardial Infarction
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Onset of myocardial ischemia is the initial step in the development of MI and results from an imbalance between oxygen supply and demand. Myocardial Infarction Secondary to an Ischemic Imbalance (MI Type 2) In instances of myocardial injury with necrosis, where a condition other than CAD contributes to an imbalance between
[PDF File]CDI and Type 2 Myocardial Infarction
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• Look for other causes of chest pain Ischemia vs. Myocardial Infarction • Ischemia – hypoxic tissue – due to inadequate bf/oxygen requirement – ST depression •MI – occluded artery(s) – tissue necrosis – elevated ST segment – may or may not have Q wave changes Q waves and MI • Small Q waves (septal depol) are usual in leads I,
[PDF File]Ischemia and ST changes Right Coronary Artery
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Demand Ischemia The concept of "demand ischemia" without significant coronary artery disease refers to a mismatch bet:.veen myo-cardial oxygen demand and supply in the absence of flow-limiting epicardial stenosis. Although theoretically the same pathophysiologic principle may be valid in the pres-
[PDF File]A Review of Cardiac and Non-Cardiac Causes of Troponin ...
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Type II MI Demand ischemia is indexed to code I24.8. However, there is a “see also Angina” note. A see also note indicates another term may be referenced to find a more accurate code, but it is not mandatory to follow the note if the original main term provides the necessary code.
Q&A: Reporting elevated troponin due to demand ischemia i…
dence of myocardial ischemia associated with a mismatch between myocardial oxygen demand and supply, but without coronary artery disease (CAD) or at least not primarily due to CAD. The diag-nosis of “demand ischemia” is sometimes used when patients experience release …
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