KROK 1 2012 – Question 91 · KROK (Medicine) · Pathophysiology
After a serious psychoemotional stress a 48 year old patient suddenly developed acute heart ache irradiating to the left arm. Nitroglycerine relieved pain after 10 minutes. What is the leading pathogenetic mechanism of this process development?
- A. Compression of coronary vessels
- B. Spasm of coronary arteries
- C. Dilatation of peripheral vessels
- D. Increase in myocardial oxygen consumption
- E. Obstruction of coronary vessels
Hint
Ask what a prompt response to a nitrate tells you about whether the narrowing of the vessels is fixed or reversible, and what stress hormones do to vessel tone.
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