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Percussion was at first used to distinguish between empty and filled barrels of liquor, and Dr. Leopold Auenbrugger is said to be the person who introduced the technique to modern medicine, although this method was used by Avicenna about 1000 years before that for medical practice such as using percussion over the stomach to show how full it is ...
Lloyd's sign indicates the presence of renal calculus or pyelonephritis when pain is elicited by deep percussion in the back between the 12th rib and the spine. [1] It is closely related to costovertebral angle tenderness, as the area of percussion is the same. However, Lloyd's sign is specifically defined as positive costovertebral angle ...
Percussion and resonance (the quality and feeling of sound) are used to examine lung movement and possible lung conditions. Specifically, percussion is performed by first placing the middle finger of one hand over the area of interest. The middle finger of the other hand is used to strike the last joint of the placed finger.
Percussion note is impaired in the affected area; Breath sounds are bronchial; Possible medium, late, or pan-inspiratory crackles; Vocal resonance is increased. Here, the patient's voice (or whisper, as in whispered pectoriloquy) can be heard more clearly when there is consolidation, as opposed to the healthy lung where speech sounds muffled.
A medical procedure is defined as non-invasive when no break in the skin is created and there is no contact with the mucosa, or skin break, or internal body cavity beyond a natural or artificial body orifice. For example, deep palpation and percussion are non-invasive but a rectal examination is invasive.
The kidney lies directly below this area, so is the place where, with percussion (Latin: sucussio renalis), pain is elicited when the person has kidney inflammation. The presence of pain is marked as a positive Murphy's punch sign or as costovertebral angle tenderness. [2]
Eponymous medical signs are those that are named after a person or persons, usually the physicians who first described them, but occasionally named after a famous patient. This list includes other eponymous entities of diagnostic significance; i.e. tests, reflexes, etc.
The two steps of shifting dullness. Percussion of the green section shifts from a dull note to a tympanic note after the patient changes from supine to lateral decubitus position. The test is performed by first percussing the midline of the abdomen to elicit a resonant note due to gas in the abdomen. If there is no area of resonance, then the ...