The main advantage of color Doppler EC following is a possibility of quick visualization and interpretations of normal and abnormal flows . Overlay color Doppler study onanatomical image does him more understandable for novice researchers . Spectral infor m tion is more challenging for interpretation .
Color Doppler study allows bo more accurately set the control volume of the pulse and line scan permanent – wave Doppler Skog study at according with real direction leniem flow . It allows you to improve the identification of under- sufficiency valves and intracardiac discharge of blood .
Distortion of the Doppler spectrum , observed with a pulse study , with a color Doppler study allows you to easily identify high -speed flows by the appearance of mosaic blood flow .
how and everything echocardiographic techniques , color Doppler study can be maloinfor tive when no good visualization .
The quality of color Doppler studies , as the and pulse , it depends on the frequency of repetition of the pulse sensor and depth of study . With color Doppler skom study possible miss low velocity flow , especially if the signal is weak . Situation are exacerbated etsya at a high value of filter speed and low color gain . Color Doppler scan can mistakenly detect myocardial movement and stem pans , especially at low values of the filter velocity and high color gain values .
With a number of pathologies possible education multiple blood streams at limited space , like at si table , so and at diastole . Total overlay colors more can confuse , than to put an accurate diagnosis .