Final answer:
Maneuvers to make the murmur of hypertrophic cardiomyopathy louder include deep inhalation and expiration to change blood flow in the heart, and particular actions that reduce the volume of blood in the left ventricle.
Step-by-step explanation:
The maneuvers that make the murmur of hypertrophic cardiomyopathy louder involve changes in the volume of blood within the heart chambers. During auscultation, a clinician may ask a patient to breathe deeply. Deep inhalation increases blood flow into the right side of the heart, potentially amplifying right-sided heart murmurs. On the other hand, expiration restricts blood flow into the left side of the heart, which can amplify left-sided heart murmurs, including those associated with hypertrophic cardiomyopathy. The heart sounds are monitored with a stethoscope, and special maneuvers, such as the Valsalva maneuver or standing up quickly from a squatting position, can exacerbate the murmur associated with this condition by reducing the volume of blood in the left ventricle and increasing the outflow obstruction.