Just went for an ultrasound at 8 weeks - saw heart beat but doc didn't measure the heart rate. Is that weird?

Mara

Everything looked good and we could see the heart beating on the screen. The doctor didn't measure the heart rate though and basically said they only do that when they listen to it and we didn't do that today. Is that weird? I see all these ultrasounds posted with the heart rates. Was the doctor just being lazy?