If there is an effusion of fluid into the sheath, the swelling is more marked and crepitation is absent.
The crepitation may be soft like the friction of snow, or may resemble the creaking of new leather--"saddle-back creaking.
The clinical features are pain on movement, tenderness on pressure over the affected tendon, and a sensation of crepitation or friction when the tendon is moved in its sheath.
On firm pressure, fine crepitation may be felt from crushing of the delicate framework of new bone.
If the fracture is complete, crepitation may be occasionally noticed by placing the hand flat over the injured part, carefully observing the motion as the chest contracts and expands during respiration.
The extremities are hot and cold alternately; the crepitation which was present in the first stage is now absent, and no sound on auscultation is heard, unless it is a slight wheezing or whistling noise.
On auscultation crepitation will be observed over the portion of the lung affected.
There is abnormal mobility of the bones of the knee, but crepitation is usually absent.
Crepitation is absent, because the hip muscles draw away the upper part of the bone.
Abnormal mobility andcrepitation are difficult of detection, even when present, and they are not always present.
There will also be swelling, with difficulty of locomotion, and crepitation will be easy of detection.
Crepitation may in some cases be discerned by rectal examination, with one hand resting over the coxo-femoral (hip) articulation.
The manipulations for the discovery of crepitation always cause much pain.
Crepitation is readily felt with the hand upon the shoulder when the leg is moved.
On raising the humerus, rotating it, and moving it to and fro, crepitation is distinctly perceived—but not so readily after swelling has taken place.
On attempting to move the tumour independently of the scapula, crepitationwas distinctly perceived, as if from fracture of osseous spicula.
Indeed, attentive manipulation is often required to detect the site of the injury; and a sense of crepitation is perceived, only when the lower and upper portions of the bone are pressed on alternately or during rotation of the foot.
On removing the splints, with the expectation of finding the bones firmly united, the ends can be moved very freely on each other without crepitation or much pain.
Crepitation is felt by pressing gently and alternately with the points of the fingers over the fractured part.
Some indistinct crepitation is perceived; the articulation is afterwards stiff, and the bone of an unnatural form.
Crepitation is felt on raising the arm, and carrying it backwards so as to bring the fractured surfaces into contact.
On laying hold of the distal end of the bone suspected to have given way, placing the fingers over the shaft, and attempting slight motion, distinct crepitation is perceived.
There is unusual and unnatural mobility of the arm, and distinctcrepitation at the fractured point.
Crepitation is felt by the patient, and is easily detected by the surgeon, by placing the hand on the suspected point, and desiring the patient to attempt full inspiration so as to grate the surfaces on each other.
Crepitation is produced by moving the limb when extended, and the separated parts thereby approximated.
Before swelling has taken place, crepitation can be perceived on laying hold of the trochanter whilst the limb is in motion; and the trochanter itself is found to be in a slight degree moveable.
If the parts can be examined before extravasation of blood and swelling mask the condition, crepitation may be detected.
Abnormal mobility of the broken parts of bone and crepitation mark fracture of the metacarpus, and the condition is easily diagnosed.
When an examination of the subject is possible before the extremity is swollen, crepitation is usually found without great difficulty, except in a subperiosteal break or in some cases of vertical or oblique fracture.
However, unless undue swelling exists, the exact location of the crepitation is recognized without serious difficulty.
Crepitation is readily detected and frequently these fractures are of the compound-comminuted variety.
In some multiple fractures of the first or second phalanx this is quite necessary; otherwise, pain produced by passive manipulation causes the subject to keep the tendons so tense that crepitation may not be detected.
As has been mentioned in the chapter on diagnostic principles, if the condition is so painful that the subject does not relax the parts and crepitation is masked, local anesthesia is necessary.
Crepitation is readily detected, if pain and swelling is not too great to prevent passive movement of the member.
Fractures of the neck of the scapula are recognized by crepitation, by passively moving the leg, but it is necessary to exclude fractures of the humerus when one depends upon the finding of crepitation by this means.
As a rule, crepitation is to be recognized in fractures of the shaft of the bone, by passively moving the leg to and from the medial plane (adduction and abduction).
And, naturally, one is not to expect resolution in cases where there exist erosion and ossification of cartilage--where crepitation is discernible.
In fact, a sub-periosteal fracture may exist for several days or a week or more and then, with subsequent fracture of the periosteum, crepitation and abnormal mobility of the member are to be recognized.
Usually, luxation and fracture may be differentiated in that there is no crepitation in luxation and more or less crepitation exists in fracture.
By crepitation is meant that characteristic grating sound produced by rubbing the two ends of the fractured bone together.
The crepitationis the result of the action of a powerful magnetic pole upon luminous electric jets in its immediate neighborhood.
We have just been pointing out, as concomitant effects of the aurora borealis, a noise of crepitation analogous to that of distant discharges, and a sulphurous odor similar to that which accompanies the fall of lightning.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "crepitation" in a variety of sentences. We hope that you will now be able to make sentences using this word.
