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What is Evaluation of cardiac valve motion and fetal hea rate is done in which mode of Ultrasound? and explain in detail?
M-Mode Ultrasound is Motion mode and is used to evaluate Fetal Hea Rate and Cardiac Valve movement and echocardiography. Also used for detection of pneumothorax. A Mode Ultrasound is Amplitude Mode for measuring Axial length of Eyeball and orbital biometry (A scan in Opthalmology is the A Mode Ultrasound) B Mode Ultrasound is most commonly used mode. It is Brightness mode for routine Ultrasound. M Mode used in antenatal scan to calculate feral hea rate.