Please suggest the best doppler angle to study haemodynamics of umblical artery at different stages of gestation in sheep ?
Few researchers suggest
A) 0-10 degrees (Petridis et al 2017; Elmetwally and Tillmann)
whereas others suggest B) 45-60 degree
Good afternoon sir,
The insonation angle should be between 30-60 degree for studying the MUA haemodynamics whereas the angle should be cutdown to a range of 15-30 degree for investigation of umbilical haemodynamic changes
Sir, i am also wandering same but in general angle should be less than 60 and close to 20, this is what came to know from reading some literatures.
even i wish to know wether angle is auto adjusted once set in the machine even after movement of probe.
thank you
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