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2. Coronary vasospasm - Wikipedia

   en.wikipedia.org/wiki/Coronary_vasospasm

   Coronary vasospasm refers to when a coronary artery suddenly undergoes either complete or sub-total temporary occlusion. [1]In 1959, Prinzmetal et al. described a type of chest pain resulting from coronary vasospasm, referring to it as a variant form of classical angina pectoris. [2]

3. Variant angina - Wikipedia

   en.wikipedia.org/wiki/Variant_angina

   Eosinophilic coronary periarteritis: a very rare form of coronary artery spasm; it is due to non-allergic infiltration of coronary arteries by eosinophils. Myocardial bridge, a common congenital heart anomaly in which one of the coronary arteries tunnels through the heart muscle (myocardium) itself.

4. Kounis syndrome - Wikipedia

   en.wikipedia.org/wiki/Kounis_syndrome

   The Kounis syndrome is distinguished from two other causes of coronary artery spasms and symptoms viz., the far more common, non-allergic syndrome, Prinzmetal's angina [4] and eosinophilic coronary periarteritis, an extremely rare disorder caused by extensive eosinophilic infiltration of the adventitia and periadventitia, i.e. the soft tissues ...

5. Dr. Hersh: Hypertrophic cardiomyopathy occurs when heart ...

   www.aol.com/dr-hersh-hypertrophic-cardiomyopathy...

   Hypertrophic cardiomyopathy (HCM) is a condition where some of the heart muscle becomes too thick, (a.k.a., hypertrophied, a typical diagnostic criterion is a 15 millimeters or greater left ...

6. Takotsubo cardiomyopathy - Wikipedia

   en.wikipedia.org/wiki/Takotsubo_cardiomyopathy

   [11] [12] Further, this adrenaline surge triggers the arteries to tighten, thereby raising blood pressure and placing more stress on the heart, and may lead to spasm of the coronary arteries that supply blood to the heart muscle. [10] This impairs the arteries from delivering adequate blood flow and oxygen to the heart muscle. [10]

7. Reflex syncope - Wikipedia

   en.wikipedia.org/wiki/Reflex_syncope

   Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...

8. Hiccups are common and usually harmless. But they can ... - AOL

   www.aol.com/hiccups-common-usually-harmless...

   Hiccups are "involuntary spasms of the diaphragm," Pullins explains. The diaphragm is the dome-shaped muscle that's located below the lungs and heart. When these spasms or involuntary contractions ...

9. Myoclonus - Wikipedia

   en.wikipedia.org/wiki/Myoclonus

   Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus ( myo- "muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease .