1 - 10 of 15 articles
Echocardiograms were recorded using a left posterior thoracic approach in 17 patients with left pleural effusion. Comparison of these records with those obtained using the conventional technique in the same patients revealed that the left posterior thoracic approach yielded records of adequate...
The results of B‐mode ultrasound examinations in 113 consecutive patients with unilateral renal nonfunction or severe azotemia were reviewed. The causes of nonfunction included the following: hydronephrosis; renal parenchymal disease; renal agenesis; atrophy or dysplasia; multicystic, medullary...
Inflammatory and neoplastic infiltrations of the intestinal wall lead in advanced stages to a tumorous thickening that can be visualized by ultrasound as the so‐called cockade sign. The possibilities and limitations of ultrasound diagnosis of gastrointestinal tumors are presented. Over a period...
Ultrasound scanning in early pregnancy sometimes reveals a 2–5‐mm spheric structure lying adjacent to the fetus. The occurrence of this structure was studied in 60 consecutive ultrasound examinations. In the 7th to 9th weeks the sphere was seen in 19 of 22 examinations, and in the 10th and 11th...
Echographic diagnosis of breast cancer has been used in clinical medicine for the past several years. Echographic findings and characteristics suggesting differentiation between malignant and benign tumors have been reported by various investigators. These signs are analyzed in correlation with...
Ethylene glycol—water mixtures have been found suitable for use in ultrasound test objects. A plot of the required percentage of ethylene glycol with room temperature for an acoustic velocity of 1540 m/sec is presented to aid the clinical user. The velocity measurements performed are shown to be...
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