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cardiac microvascular dysfunction
A term distinguished from microvascular disease of diabetes mellitus
Pathology:
- refers to disease of small arteries (< 0.5 mm in diameter) accounting for 70% of coronary resistance in the absence of obstructive coronary artery disease
Clinical manifestations:
- patients may present with stable angina pectoris
Special laboratory:
- may present as false positive exercise ECG stress test [2]
- abnormal response to acetylcholine infusion (endothelium-dependent)
- abnormal response to adenosine infusion (endothelium-independent) [2]
Related
microvascular
General
microvascular disease
heart disease (cardiac disease)
References
- Medical Knowledge Self Assessment Program (MKSAP) 19
American College of Physicians, Philadelphia 2022
- Sinha A et al.
Rethinking false positive exercise electrocardiographic stress tests by assessing
microvascular function.
J Am Coll Cardiol 2024 Jan 16; 83:291.
PMID: 38199706 PMCID: PMC10790243 Free PMC article
https://www.sciencedirect.com/science/article/pii/S0735109723080191
- Beltrame JF et al.
Clinical utility of the humble exercise ECG stress test.
J Am Coll Cardiol 2024 Jan 16; 83:300.
PMID: 38199707
https://www.sciencedirect.com/science/article/abs/pii/S0735109723080221