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Ultrasound involves a probe that is placed near a structure and uses the transmission of ultrasound waves through a structure to produce images, after computer processing. [1] Ultrasound of the urinary tract is performed by a probe placed on the abdominal wall, called a transducer. [1] This occurs while a person is lying down. [1]
loss of bladder control (incontinence) or overactive bladder; (Although, the American Urogynecologic Society does not recommend that cystoscopy, urodynamics, or diagnostic renal and bladder ultrasound are part of initial diagnosis for uncomplicated overactive bladder.) [2] [3] unusual cells found in urine sample; need for a bladder catheter;
Trabeculated bladder on ultrasound indicates high risk of developing urinary tract abnormalities such as hydronephrosis and stones. [10] A voiding cystourethrography study uses contrast dye to obtain images of the bladder both when it is full and after urination which can show changes in bladder shape consistent with neurogenic bladder. [9]
These cystine crystals were found in the urine sediment of a male dog who presented to the veterinary hospital with a history of chronic stranguria (straining to urinate) and pollakiuria (abnormally increased frequency of urination). A cystotomy was performed and numerous cystoliths (bladder stones) were removed.
Finally, the whole abdomen is imaged to detect any undetected reflux in previous images. Any urine left in the bladder after peeing is also recorded in this image. Lateral views are useful to evaluate any fistulas from the bladder connecting into the rectum or vagina. Oblique views are used to evaluate any leaks from the bladder or urethra.
The x-axis is the volume of liquid and the y-axis is the intraluminal pressure of the bladder. In normal patients, the plot is a series of spikes whose local minimums form a non-linear curve resembling an exponential growth curve. The spikes correspond to the bladder contractions associated with the micturition reflex. The curve formed by the ...
For patients without symptoms, no treatment is recommended. If patients become symptomatic and/or develop complications, cholecystectomy is indicated. [ 1 ] For those who are poor surgical candidates, endoscopic sphincterotomy may be performed to reduce the risk of developing pancreatitis .
Bladder stones vary in their size, shape and texture- some are small, hard and smooth whereas others are huge, spiked and very soft. One can have one or multiple stones. Bladder stones are somewhat more common in men who have prostate enlargement. The large prostate presses on the urethra and makes it difficult to pass urine. Over time ...