Ultrasonic T-M mode

Ultrasonic T-M mode
Scientech12E

Product Description

Using a simple heart model the wall motion is recorded by means of the ultrasonic time-motion method (M - mode). From the M-mode recording the frequency and the heart volume (HZV) are determine.

Ultrasonic T-M mode 

In echo-cardiography a special ultrasonic method is applied for the investigation of heart movements. The time-motion mode called TM-mode, is indicate particularly as one-dimensional technique but shows still two dimensions: One spatial dimension (superimposed interfaces or structures) and one temporal dimension (changes of the structures in the systole and diastole) . By the TM-mode motion of heart stracture (cardia wall, seotum or cadiac wall and vessel valve) are display the measurement of the end diastolic and end ststolic ventrical diameter (distance of the cardiac walls) the corresponding heart volume EDV (end diastolic volume) and ESV (end systolic volume) are determine. 

HZV=(EDS-EDV)* HF 

HF= Heart Frequency 

Procedure

After filling the heart model with water the probe shall be fixed to a tripod in such a way that the echo of the membrane appears at a sufficient distance to the impingement surface. Since in water the attenuation of the ultrasonic wave is negligible the measurements can be performed without use of the TGC the software parameter sound velocity is adjusted to water (1480 m/s). The rubber membrane simulates the heart wall motion. The motion of membrane is recorded in M-mode and can be printed.

Scientech 12E, Ultrasonic T-M mode is an ideal platform to enhance education, training, skills & development amongs our young minds.

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