Disturbances of the Heart: Discussion of the Treatment of the Heart in Its Various Disorders, With a Chapter on Blood PressureOsborne, Oliver T. (Oliver Thomas)
Science
Disturbances of the Heart: Discussion of the Treatment of the Heart in Its Various Disorders, With a Chapter on Blood Pressure
Osborne, Oliver T. (Oliver Thomas)
Blood pressure; Heart -- Diseases
The attacks of syncope are doubtless due to anemia of the medulla,
because of the infrequent ventricular contractions. This anemia of
the medulla and of the brain may also cause an epileptic seizure, or
a partial paralytic seizure without any apparent paralysis. It is
probable, however, that in these cases there may be coincident
arterial disease in the brain. These sudden syncopal attacks are
likely to occur when a patient suddenly rises from a reclining
posture, especially if he has been asleep. Many persons whose
circulation is none too strong may feel faint on suddenly rising,
but in a person whose pulse is slow and the circulation weak the
danger of causing anemia of the brain by the sudden erect posture is
much increased. Slight faint turns are of frequent occurrence with
these patients; or the faintness may be so rapid and so intense that
the patient may drop in his tracks. Venous pulsation in the neck is
generally marked, showing an impeded contraction of tile right
auricle.
If the auricles are heard or found by instrumental readings to
contract more frequently than the ventricles, the trouble is quite
likely to be a heart block from disease in the heart itself, in the
bundle of His. If the heart is slowed as a whole, the trouble might
be due to diseased arteries or pressure from a growth, a gumma,
perhaps, or other brain tumor in the region of the pons Varolii or
medulla oblongata; or a hemorrhage into the fourth ventricle,
causing pressure, could be the cause.
TREATMENT
The treatment of true Stokes-Adams disease is unsuccessful. If
general arteriosclerosis is present, that condition should be
treated. Digitalis would seem almost invariably contraindicated,
although it is of value in extrasystoles without heartblock, or in
conditions which are not Stokes-Adams disease; but if this disease
was considered present, digitalis would probably do harm. Sometimes
strychnin is of benefit.
Atropin has sometimes caused stimulation of the heart to more normal
rapidity. Its benefit is generally only temporary, as most patients
cannot take atropin regularly without having it cause a disagreeable
drying of the throat and skin, a stimulation of the brain, and an
undesired raising of the blood pressure, to say nothing of its
action on the eyes.
The only value of the nitrites is when the blood pressure is high
and the nitrite action is desired on that account.
Coffee or caffein often causes these hearts to become irritable; it
certainly raises the blood pressure, and therefore is not generally
advisable. Both tea and coffee should generally be prohibited.
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