Unstable Angina
Alternate Names : Accelerating Angina, Angina - Unstable, New-Onset Angina, Progressive Angina
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Unstable Angina Symptoms & Signs
Typical anginal pain usually originates in the chest and may radiate to shoulder, arm, jaw, neck, back or other areas. The pain is often described as tightness, squeezing, crushing, burning, choking or aching. Unstable angina is differentiated from stable angina in that the pain may:
- occur at rest
- be new in conditions of onset or last longer than previous anginal attacks
- be less responsive to medication
In other words, if a pattern of stable angina has been present previously, the development of unstable angina may be defined by a change in the pattern, frequency, or severity of the pain. If a pattern of stable angina has not been present previously, the beginning of chest pain episodes also constitutes unstable angina.
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