Happy New Year everyone! Four mitral recordings captured during the same morning. Comments and DM's ok.

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Happy New Year everyone! Four mitral recordings captured during the same morning. Comments and DM's ok.
My mitral murmur still evident some minutes after exersise.
Recording of my mitral murmur while laying on left side. Somewhat elevated HR. Background: I am reducing the amount of some prescription drugs that I have had to take since I had cancer and treatment a few years ago. A legacy of the treatment is a generally elevated normal heart rate compared to how it used to be, up until the illness I had a healthy and below avarage resting and exersise heartrate. Also, the mitral murmur that I have always had is now somewhat more pronounced. I have spent some time focusing on several areas of my heart for future reference and own interest. I may post a few more if there is any interest. Do let me know, I aim to achieve good quality recordings. Always open for a chat, comments etc. I am particulalry interested in the technicalities of obtianing good quality audio recordings of heartbeats, my own and others.
Mitral murmur. Fast heart. My mitral valve working hard. Recorded at 100-1000Hz. Comments! Comments! I need comments! I enjoy discussing technical aspects of audio recordigs of the human heart under various conditions - want to chat about it - message me!
Slight mitral valve murmur evident here