Suzanne is a 20-year-old college student who complains of chest pain. the pain is intermittent and located to the left of her sternum. there are no associated symptoms. examination reveals a short, high-pitched sound in systole, followed by a murmur that increases in intensity until s2. it is heard best over the apex. when she squats, this noise moves later in systole along with the murmur. which of the following is the most likely diagnosis?

The possible answer to this diagnosis is: Mitral valve prolapse

Note: "It should at least be some multiple option to choose a possible answer to your question."

Explanation:

Conditions or associated symptom is Inadequate closure of the Mitral valve prolapse between the left upper and lower heart cavities.  

Mitral valve prolapse can occur at any age. It can be inherited and linked to other diseases, such as infections and connective tissue disease.

In some cases a treatment is required, but  medication or surgery can fix the problem.

Possible studies:

Symptoms include:

answer; ///i do believe the answer is (virus);

cell regulation is conducted by special proteins.