puddle test

The puddle test is a measure of trace ascites. The method is: when measuring a small amount of ascites, the patient takes the elbow and knee digits for a minute, so that the ascites accumulates in the umbilical region at the lowest point in the abdomen. The membrane type stethoscope body is attached to the abdominal wall here, and the physician flicks the finger on one side of the abdominal wall to hear the sound. Then move the body to the contralateral abdomen and continue to flick. If the sound suddenly weakens, the part where the body is located is above the edge of the ascites, which is called puddle sign positive. The same method can be used to check the contralateral side to determine the ascites edge. This method can be used to identify as little as 120 ml of free ascites. Basic Information Specialist Category: Inspection Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Pay attention to normal eating habits and pay attention to personal hygiene. Normal value A normal person may have a sound of the upper abdomen after a meal or when drinking a large amount of liquid. There is no such sound in the morning on an empty stomach or 6-8 hours after a meal. Clinical significance Abnormal results Normal people may have upper abdominal vibration sound after a meal or when drinking a lot of liquid, but if the sound is still in the morning fasting or 6-8 hours after a meal, it indicates gastric emptying disorder, such as pyloric obstruction or The stomach is dilated. People who need to be examined are suspected of having stomach emptying. Precautions Forbidden before examination: Pay attention to normal eating habits and pay attention to personal hygiene. Requirements for inspection: Actively cooperate with the doctor. Inspection process If there is a large amount of liquid and gas in the stomach, a vibrating sound may appear on the palpation. During the examination, the patient is lying on his back. The doctor rubs the upper abdomen with one ear and vibrates the stomach with the impact palpation method to hear the sound of gas and liquid impact. The stethoscope membrane body can also be placed on the upper abdomen, the other hand shakes the patient from one side, or shocks and vibrates in the stomach to induce the water sound. The determination of trace ascites is called PIJddlesign. The patient took the elbow and knee digits for a minute, allowing the ascites to accumulate in the umbilical region at the lowest point in the abdomen. Attach the stethoscope film-shaped body to the abdominal wall of the umbilicus. The doctor uses a finger on one side of the abdominal wall to stabilize, quickly flick, listen to the sound, and gradually move the body to the contralateral abdomen, continue to flick, such as sudden changes in sound It is loud, and the body is located above the edge of the ascites. A free ascites as little as 120 ml can be identified by a hearing test. Not suitable for the crowd Inappropriate crowd: No.