Proofs concerning equilateral triangles About Transcript Sal proves that the angles of an equilateral triangle are all congruent (and therefore they all measure 60Â°), and conversely, that triangles with all congruent angles are equilateral.
Lung disorders or diseases in which a hyperresonant sound is heard upon percussion. small pneumothorax, lung hyperinflation due to emphysema or acute asthma attack.
When percussing boney areas such as the clavicle the pleximeter can be omitted and the bone is tapped directly such as when percussing an apical cavitary lung lesion typical of TB. There are two types of percussion: direct, which uses only one or two fingers, and indirect, which uses the middle/flexor finger.There are four types of percussion sounds: resonant, hyper-resonant, stony dull or dull. A dull sound indicates the presence of a solid mass under the surface.t is one of the five methods of clinical examination, together with inspection, palpation, auscultation, and inquiry. It is done with the middle finger of one hand tapping on the middle finger of the other hand using a wrist action.