Mixed angina pectoris: Difference between revisions
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==Pathophysiology== | ==Pathophysiology== | ||
* Dynamic vasoconstriction which superimposed on fixed atherosclerotic coronary artery obstructions has been postulated as the underlying pathophysiologic mechanism for the variable exercise threshold. | * Dynamic [[vasoconstriction]] which superimposed on fixed atherosclerotic coronary artery obstructions has been postulated as the underlying pathophysiologic mechanism for the variable exercise threshold. | ||
==Diagnosis== | ==Diagnosis== | ||
===Symptoms=== | ===Symptoms=== | ||
* The essential clinical feature of mixed angina is a '''substantial variation in the degree of physical activity that induces angina'''. | * The essential clinical feature of mixed angina is a '''substantial variation in the degree of physical activity that induces angina'''. | ||
* These group of patients may also experience rest or nocturnal angina on certain occasions. | * These group of patients may also experience rest or nocturnal angina on certain occasions. | ||
* Angina may also occur on exposure to cold, during emotional stress, or after meals. | |||
==Treatment== | ==Treatment== | ||
Revision as of 15:17, 10 October 2011
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Chronic stable angina Microchapters | ||
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Classification | ||
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Differentiating Chronic Stable Angina from Acute Coronary Syndromes | ||
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Diagnosis | ||
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Alternative Therapies for Refractory Angina | ||
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Discharge Care | ||
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Guidelines for Asymptomatic Patients | ||
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Case Studies | ||
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Mixed angina pectoris On the Web | ||
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Overview
Mixed or variable threshold angina pectoris is a syndrome in which there is substantial variation in the magnitude of physical activity or provocation that induces anginal chest pain.
Pathophysiology
- Dynamic vasoconstriction which superimposed on fixed atherosclerotic coronary artery obstructions has been postulated as the underlying pathophysiologic mechanism for the variable exercise threshold.
Diagnosis
Symptoms
- The essential clinical feature of mixed angina is a substantial variation in the degree of physical activity that induces angina.
- These group of patients may also experience rest or nocturnal angina on certain occasions.
- Angina may also occur on exposure to cold, during emotional stress, or after meals.
Treatment
- The treatment is the same as chronic stable angina.