Right-to-left shunt detection using contrast-enhanced transcranial Doppler: A comparison of provocation maneuvers between coughing and a modified Valsalva maneuver - Wang, Si-Bo; Wang, Xiao-Cong; Ma, Yan; Liu, Kang-Ding; Xing, Ying-Qi (PloS one, 2017)
Keywords: Adolescent; Adult; Age; Aged; Analysis; Aneurysms; Biology and Life Sciences; Bivariate analysis; Blood flow; Blood pressure; Cardiology; Cerebral blood flow; Circulation; Classification; Clinical trials; Colleges & universities; Comparative analysis; Coronary artery disease; Cough; Decompression; Decompression sickness; Delineation; Diagnosis; Doppler effect; Echocardiography; Embolism; Etiology; Expiration; Female; Flow velocity; Guidelines; Headache; Headaches; Health care; Heart; Heart diseases; Hospitals; Humans; Injection; Ischemia; Lesions; Lung diseases; Male; Maneuvers; Medical instruments; Medical personnel; Medicine and Health Sciences; Mercury; Middle Aged; Migraine; Nervous system; Neurology; Neurosciences; Obstructive lung disease; Quality control; Research and Analysis Methods; Risk factors; Sensitivity; Septum; Stroke; Syringes; Technicians; Tension; Therapy; Transcranial Doppler ultrasonography; Transient ischemic attack; Ultrasonic imaging; Ultrasonography, Doppler, Transcranial - methods; Ultrasound; Valsalva exercise; Valsalva Maneuver; Valsalva's maneuver; Velocity curve; Young Adult; Zinc