Maximum blood flow velocity during systole &#x7C; Pulmonary vein Left upper &#x7C; Cardiac ultrasound
maximum blood flow velocity during systole &#x7c; pulmonary vein left upper &#x7c; cardiac ultrasound
Maximum blood flow velocity during systole &#x7C; Pulmonary vein Left upper &#x7C; Cardiac ultrasound
maximum blood flow velocity during systole &#x7c; pulmonary vein left upper &#x7c; cardiac ultrasound