Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-021-01268-7/MediaObjects/40792_2021_1268_Fig3_HTML.jpg)
Needle stick technique of the interventricular septal muscle resection. a Exposure of the part of the interventricular muscle to be resected. Black asterisk indicates the interventricular septal bulge. b Resected part of the interventricular septal muscle. c Resected muscle pieces of 278Â mg in total