Movie S1

Fast regular heartbeat (Fig. 1-II). Sagittal T_1w-MRI of fast regular heartbeat of Mytilus galloprovincialis with a single peak IR-PPG with a small splitting. Averaged images of 4 beats from 197 sec are presented by 1.28 times speed. Heart rate is 34.9 bpm.

A portable infrared photoplethysmograph: heartbeat of Mytilus galloprovincialis analyzed by MRI and application to Bathymodiolus septemdierum

Eriko Seo, Toshiyuki Sazi, Morio Togawa, Osamu Nagata, Masataka Murakami, Shigeaki Kojima, and Yoshiteru Seo

Biology Open 2016. 5:1752-1757; doi: 10.1242/bio.020909

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