…The change in frequency is referred to as the Doppler effect . The Doppler effect was first described in 1843 by the Austrian astronomer Christian Doppler…

…effect is used to assess the velocity and direction of blood flow. This is possible because sound waves that hit moving objects are reflected at…

…crystals are supported by a backing layer that suppresses the vibrations of the crystals, allowing sound waves to be sent out in shorter pulses and…

…test) for HIT have been reported in patients taking ticagrelor. This is related to ticagrelor inhibiting the P2Y12 receptor on healthy donor platelets in the…