Symbol 5694 from IEC 60417 - Title/Meaning: Ultrasound image, B and M modes Function/description: To identify the control or the indicator to select the simultaneous presentation of B and M mode ultrasound image.
Additional information: 
M = time motion.
B = brightness
Published in: Amendment 2, 2002,3C/452/FDIS,62A/228/CDV
Own work using: iso.org/obp/graphics/grs/722149f3-1949-45dc-a1e2-455957dcbc8c 200.png
Vectorization:  Mrmw