
多普勒超声
Objective To evaluate the value of color Doppler ultrasonography in detecting thoracodorsal arteries.
目的评价彩色多普勒超声在检测胸背动脉中的价值。
Objective To study the diagnostic value and method of color Doppler ultrasonography in epididymis nodals.
目的探讨附睾结节的彩色多普勒超声检查方法及诊断价值。
METHODS: We evaluated 9 patients with severe crush injury by using Doppler ultrasonography to measure renal resistive indexes within 16 to 32 hours after the earthquake and 6 weeks later.
方法:我们用多普勒超声评估了9名有严重挤压伤患者,检测了肾脏血流阻力指数在地震后勤16到32小时和地震后6周。
Objective To evaluate the value of color Doppler ultrasonography in diagnosing complications after liver transplantation.
目的探讨彩色多普勒超声在原位肝移植术后并发症中的诊断价值。
AIM:To explore the accuracy of three dimensional color Doppler ultrasonography in evaluating the extent of carotid artery stenosis.
目的:探讨利用三维彩色多普勒超声成像评价颈动脉狭窄程度的准确性。
AIM:To investigate the relationship between carotid atherosclerosis plaque and cerebral infarction and study the effect of carotid Doppler ultrasonography on risk assessment of cerebral infarction.
目的:探讨颈动脉粥样硬化斑块与脑梗死的关系,了解颈动脉多普勒超声在脑梗死危险预测中的作用。
Objective To evaluate color Doppler ultrasonography appearances of renal vein thrombosis (RVT) and its diagnostic value.
目的探讨肾静脉血栓形成(RVT)的彩色多普勒超声征象及其诊断价值。
Conclusions Color Doppler ultrasonography can raise the accuracy of diagnosis in the occlusive arterial diseases of lower extremity.
结论彩色多普勒超声能帮助提高下肢动脉闭塞性疾病的诊断准确性。
Methods The function of the arteriovenous fistula was measured by color Doppler ultrasonography in 60 patients with hemodialysis.
方法用彩色多普勒超声检查60例终末期肾病患者人工动静脉内瘘的功能。
Objective To evaluate the value of high frequency color Doppler ultrasonography in diagnosing the carotid body tumor.
目的评价高频彩色多普勒超声在诊断颈动脉体瘤中的价值。
Objective To study the clinical value of diagnosing left renal vein entrapment syndrome with color Doppler ultrasonography.
目的研究彩色多普勒超声诊断左肾静脉受压综合征的临床价值。
Objective To explore the clinical application of color Doppler ultrasonography in diagnosis of ectopic pregnancy.
目的探讨彩色多普勒超声检查在异位妊娠诊断中的临床应用价值。
Objective:Explore the usefulness of color Doppler ultrasonography in the diagnosis of thyroid disease.
目的:探讨彩色多普勒超声检查在诊断甲状腺疾病中的应用价值。
Objective To study the diagnostic value of digital mammography(DM) and color Doppler ultrasonography (CDUS) for small breast carcinoma and axillary lymph nodes metastasis.
目的探讨数字化乳腺摄影与彩色多普勒超声对小乳癌及腋淋巴结转移的诊断价值。
Conclusion:Using color Doppler ultrasonography for detecting the feature of hepatic artery blood stream obstruction syndrome is beneficial for the early diagnosis of hepatic artery complication.
结论:彩色多普勒超声可监测肝动脉血流障碍综合征,掌握其特征,有助于肝动脉并发症的早期诊断。
Objective To investigate the diagnostic value of the three-dimensional color Doppler ultrasonography in malignant bladder tumors.
目的探讨三维彩色多普勒超声成像技术在诊断膀胱恶性肿瘤中的应用价值。
Objective To evaluate the diagnostic value of color Doppler ultrasonography (CDFI) on ovarian torsion.
目的探讨彩色多普勒超声(CDFI)对卵巢扭转的诊断价值。
Objective To evaluate color Doppler ultrasonography in detecting the changes of blood flow of umbilical artery in patients with preeclampsia before and after treatment.
目的探讨彩色多普勒超声对妊娠高血压综合征病人治疗前后脐动脉血流变化的检测价值。
Objective:To improve the value in diagnosis of Double chambered right ventricle by color Doppler ultrasonography, and reduce misdiagnosis.
目的:提高彩色多普勒超声对双腔右室的诊断价值及减少误诊。
Objective To explore the value of color doppler ultrasonography in evaluating renal function reducibility in patients with severe hydronephrosis.
目的探讨运用彩色多普勒超声预测肾积水患者肾功能可复性的临床价值。
Objective: To compare the accuracy of color Doppler ultrasonography (CDU) with palpation in the diagnosis of axillary nodal metastasis in breast cancer.
目的:评价彩色多普勒超声与临床触诊诊断乳腺癌腋窝淋巴结转移的灵敏度、特异度和准确度性。
Objective To study the values of color Doppler ultrasonography(CDU) for the extracranial vertebral artery flow in cerebral infarction patients.
目的探讨彩色多普勒超声对脑梗塞患者颅外段椎动脉血流的检查价值。
Objective To explore the diagnostic value of color Doppler ultrasonography(CDUS) in the abdominal wall endometriosis(AWEMS).
目的探讨彩色多普勒超声在腹壁切口处子宫内膜异位中的诊断价值。
Objective To investigate the value of two-dimensional and color Doppler ultrasonography in diagnosing hepatic tuberculosis.
目的探讨二维及彩色多普勒超声在肝结核中的诊断价值。
Objectives: To evaluate the clinic value of doppler ultrasonography in diagnosis of vasculogenic erectile dysfunction (ED).
目的:探讨多普勒超声检查在诊断血管性勃起功能障碍(ED)的临床价值。
Methods A retrospective analysis was made of 94 patients with superior ophthalmic vein enlargement who were examined by color Doppler ultrasonography from 1996~2005.
方法对1996~2005年经彩色多普勒超声检查明确眼上静脉扩张的94例眼眶病患者进行回顾性分析。
多普勒超声检查(Doppler ultrasonography)是一种结合传统超声波成像与多普勒效应的医学诊断技术,用于评估血流动力学状态及组织运动情况。其核心原理基于奥地利物理学家克里斯蒂安·多普勒在1842年提出的“多普勒效应”,即当声波源与接收体发生相对运动时,声波频率会发生变化。在医学应用中,超声波遇到流动的血液细胞后,反射波的频率变化被设备检测并转换为血流速度、方向等参数。
该技术主要分为两种类型:
临床主要应用于:
权威医学机构如梅奥诊所和约翰霍普金斯医院均将多普勒超声列为无创血管评估的首选方法。研究显示其诊断下肢深静脉血栓的灵敏度达95%,特异性超过98%(《新英格兰医学杂志》2020年循证数据)。
Doppler ultrasonography(多普勒超声检查)是一种结合多普勒效应与超声波成像技术的医学诊断方法,主要用于评估血流动态和血管结构。以下是详细解释:
术语构成
工作原理
通过超声波探头向血管发射声波,当声波遇到流动的血液(红细胞)时,频率会根据血流速度与方向发生改变(多普勒频移)。通过分析频移数据,可计算出血流速度、方向及血管狭窄程度等参数。
彩色多普勒超声(Color Doppler)
能量多普勒超声(Power Doppler)
频谱多普勒(Spectral Doppler)
临床应用:诊断脑血管疾病(如TCD检测)、鉴别肿瘤性质(如唾液腺肿瘤)、评估深静脉血栓等。
若需进一步了解具体临床应用或技术细节,可参考医学影像学专业文献或临床指南。
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