Preparation of the Acetylcholine Stock Solution and Syringes
1:35
Diagnostic Coronary Angiography
2:05
Preparations for Doppler Flow Assessment
2:53
Intracoronary Administration of Acetylcholine
4:36
Rechallenge
5:39
Results: The Acetylcholine-Test and Nitroglycerine Rechallenge
7:38
Conclusion
Transcript
The invasive coronary function test is crucial for the diagnosis and treatment of coronary vasomotor disorders. It helps in assessing endothelial coronary dysfunction, epicardial vasospasm, and microvascular angina. The latter comprises of a vasoc
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This protocol presents the acetylcholine rechallenge after nitroglycerine as an add-on procedure to spasm provocation testing. The purpose of this technique is to unmask co-existing microvascular spasm in patients with epicardial spasm and to assess the protective efficacy of nitroglycerine on a per-patient level to guide medical therapy.