How do you measure liver span percussion?

Percussion During the Liver Exam The purpose of liver percussion is to measure the liver size. Starting in the midclavicular line at about the 3rd intercostal space, lightly percuss and move down. Percuss inferiorly until dullness denotes the liver’s upper border (usually at 5th intercostal space in MCL).

Which type of percussion is best for determining liver size?

Light percussion, with the examiner’s ear close to the abdomen, best determines the lower border of the liver, because of the liver’s apposition to the anterior abdominal wall.

What does a scratch test test for?

A skin prick test, also called a puncture or scratch test, checks for immediate allergic reactions to as many as 50 different substances at once. This test is usually done to identify allergies to pollen, mold, pet dander, dust mites and foods. In adults, the test is usually done on the forearm.

How do you test liver span?

It is the distance between the lower border of the liver in the mid-clavicular line obtained by palpation, and the upper border of the liver in the mid-clavicular line detected by percussion (the upper border of the liver lies behind the ribs and can not be palpated).

How do I test my liver?

A group of blood tests called liver function tests can be used to diagnose liver disease. Other blood tests can be done to look for specific liver problems or genetic conditions. Imaging tests. An ultrasound, CT scan and MRI can show liver damage.

Can you feel enlarged liver?

The likelihood of feeling an enlarged liver is unlikely. But because damage to your liver can cause an accumulation of fluid within your abdomen, you may notice that your stomach sticks out more than usual. You could also experience other symptoms like jaundice, loss of appetite, and stomach pain.

What is a palpable liver?

Hepatomegaly is enlargement of the liver. The liver edge is normally palpable in children and thin adults and some patients may have a palpable right lobe of the liver. It is smooth, uniform, non-tender and descends to meet the palpating fingers on inspiration.

How is the scratch test for the liver done?

Scratch Test. Several different techniques have been described for this exam. One is to place the diaphragm over the area of the liver and then scratch parallel to the costal margin until the sound intensity drops off marking the edge of the liver.

How to feel the liver during a liver exam?

Palpation During the Liver Exam 1 With patient supine, place right hand on patient’s abdomen, just lateral to the rectus abdominis, well below lower border of 2 Ask patient to take a deep breath and try to feel the liver edge as it descends. 3 Be sure to allow liver to pass under the fingers of your right hand, note texture.

How to determine the upper edge of the liver?

1 Keep the diaphragm of your stethoscope over the liver dullness. 2 Start scratching the abdominal wall starting from the right lower quadrant parallel to the liver edge. 3 There will be a sudden transition of increased transmission of sound once the liver edge is reached. 4 Similar maneuvers will determine the upper edge.

Where to palpate for liver and ascites exam?

Begin palpation over the right lower quadrant, near the anterior iliac spine. Palpate for the liver with one or two hands palm down moving upward 2-3 cm at a time towards the lower costal margin. Have the patient take a deep breath.