FIELD: medicine.
SUBSTANCE: method involves carrying out transesophageal ultrasonic scanning using pharmacological test with sublingual administration of 10 g of Nifedipin. Systolodiastolic index value at Nifedipin test peak being equal to or less than 0.68, functional obstruction is considered to be the case. The value being >0.68, morphological obstruction is to be diagnosed.
EFFECT: high accuracy and specificity of diagnosis.
8 dwg
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