Assertion: aortic stenosis's symptom | /r/HasProperty | paroxysmal nocturnal dyspnea
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Source sentences:
text: Heart failure: Symptoms include paroxysmal nocturnal dyspnea, orthopnea, dyspnea on exertion, and shortness of breath.
text: Symptoms of aortic stenosis may include heart failure symptoms, such as dyspnea on exertion (most frequent symptom), orthopnea and paroxysmal nocturnal dyspnea, angina pectoris, and syncope, usually exertional.