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66 FASSIVE MO VEMENTS
Nervus Vagus.
The vagus nerve lies in the sheath between the carotid
artery and the internal jugular vein. We must have the
head ilexed a little forward, and feel for the pulsating artery.
The finger is placed just outside it, carefully pressed down-
wards, and afterwards quick and sharp frictions are made
transversely. In a patient with bronchitis or allied affection,
this nearly always produces cough, and it should be given in
combination with shaking of the trachea. Its effect on the
heart is utilized when the action of the latter is too strong
and this effect must be taken into consideration in treating
patients with weak hearts, or fainting may ensue. In derange-
ments of the stomach and liver, frictions over this nerve often
produce vomiting.
First Cervical Sympathetic Ganglion.
We stand behind the patient, whose head is at first slightly
bent backwards. The finger is then passed high up inside
the angle of the lower jaw. We next flex the head forwards,
and as the cervical fascia relaxes, we pass the finger upwards
and backwards until we reach the front of the vertebral column.
The finger is now passed quickly from side to side, when pain is
produced, varying in sharpness and extent of distribution accord-
ing to the force with which the friction is given. The pain
may be felt on the whole side of the head and pharynx. I
have several times had patients under my hands, who, fi’om
frictions not over strong, have had a feeling of fainting. If the
wideness of the distributing and connecting branches of the
nerve are taken into consideration, these results may to some
extent be accounted for.
Cervical Nerves.
Here, also, just as is shown in the illustration of nerve
frictions over the second cervical pair (fig. 35), we use the tips
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