Petlearnia

Medical Terms

Heart Murmur

A heart murmur is an abnormal heart sound. Instead of the usual ‘lub dub’ valve sounds, heart murmurs may have whoosing or shushing sounds between or over the top of the lubdub sounds.

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Atria

The atria are the two upper chambers of the heart. There is one on the right side of the heart, and one on the left. They act like holding chambers for blood before it passes to the ventricles.

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ACTH

ACTH (Adrenocorticotrophic hormone) is a hormone that is released from the pituitary gland and stimulates the adrenal gland to release cortisol. If it’s over-produced due to a pituitary tumour, it can cause Cushing’s disease.

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