منابع مشابه
Pulse-Doppler Ultrasound and Its Clinical Application
Doppler devices can provide clinically useful information about blood flow. This paper describes how a pulse-Doppler instrument has been linked to a B-scan machine so that flow patterns in any ultrasonically accessible vessel can be monitored from the skin surface. The same transducer is used for both modes of investigation to enable accurate and reliable positioning of the sample-volume. After...
متن کاملClinical diagnosis by transcutaneous Doppler ultrasound.
Introduction The past few years have seen a vast proliferation in the use of ultrasound to diagnose circulatory disorders. This increasing interest reflects the fact that many tests are non-invasive, reliable, provide bedside answers and do not require large investment of equipment or personnel. Ultrasound systems have been used clinically in two ways. Firstly, ultrasound can provide an anatomi...
متن کاملWomersley number-based estimation of flow rate with Doppler ultrasound: Sensitivity analysis and first clinical application
In this paper we continue in investigating the approach we have proposed in a paper recently published, for a reliable estimate of (peak systolic) blood flow rate from velocity Doppler measurements. Basic features of this approach together with some in silico test cases were discussed in that work. Here, we provide more insights of this approach by performing a sensitivity analysis of the formu...
متن کاملI-47: Doppler Ultrasound Diagnosis of Intrauterine Lesions
Background In patients with abnormal uterine bleeding, transvaginal ultrasound (TVS) is the first-line diagnostic approach to exclude endometrial pathology. If a thickened endometrium suggests endometrial pathology, sonohysterography, office hysteroscopy or dilatation and curettage are the second-line tests preferred, depending on availability and on the suspected pathology, to exclude malignan...
متن کاملClinical application of ultrasound in dermatological cases
Ultrasonography has been recognized as an important diagnostic modality in medicine and has entered the area of clinical dermatology. Its non-invasive characteristics have made it easily use and completely safe. It provides important diagnostic information in evaluating skin tumors. It also outlines the subcutaneous lesions and their relation to its adjacent tissue. Another ultrasound technique...
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ژورنال
عنوان ژورنال: Hepatology
سال: 1996
ISSN: 0270-9139,1527-3350
DOI: 10.1002/hep.510230440