Arteriosclerosis and Hypertension, with Chapters on Blood Pressure: 3rd Edition.Warfield, Louis M. (Louis Marshall)
Science
Arteriosclerosis and Hypertension, with Chapters on Blood Pressure: 3rd Edition.
Warfield, Louis M. (Louis Marshall)
Arteries -- Diseases; Blood pressure
Bleeding from the nose, epistaxis, taking place frequently in a
middle-aged person, sometimes is an early symptom. The bleeding may be
profuse, but is rarely so large as to be positively harmful. In fact, it
may do much good in relieving tension. Slight edema of the ankles and
legs is seen. Dyspnea on slight exertion is not uncommon. Dyspeptic
symptoms are not infrequent, pyrosis (heartburn), a feeling of fullness
after meals with belching or a feeling of weight in the epigastrium.
The dyspeptic symptoms may be so marked that one might almost speak of a
variety of arteriosclerosis, the dyspeptic type. For quite a while
before any symptoms that would definitely fix the case as one of
undoubted arteriosclerosis, the patient complains that foods which
previously were digested with no difficulty now give him gastric
distress. The examination of the stomach contents of a patient
presenting gastric symptoms reveals usually a subacidity. The total
acidity measured after the Ewald test meal may be only 20 and the free
HCl may be absent. Attention has been called to an unnatural pallor of
the face in early arteriosclerosis. Progressive emaciation is sometimes
seen in cases of arteriosclerosis and may be the only symptom of which
the patient complains.
=Hypertension=
Not all cases of arteriosclerosis are accompanied by increased arterial
tension. As has been stated in a previous chapter, the blood pressure in
the arterial system depends chiefly on two factors; viz., the degree of
peripheral (capillary) resistance, and the force of the ventricular
contraction. The highest arterial pressures recorded with the
sphygmomanometer occur not in pure arteriosclerosis but in cases where
there is concomitant chronic interstitial disease of the kidneys. When
this is found there is always arteriosclerosis more or less marked. In
cases where the arteries are so sclerosed that they feel like pipe stems
there may be an actual decrease in the blood pressure. Hence the
clinical measuring of the pressure in the brachial artery alone is not
sufficient for a diagnosis of arteriosclerosis. A persistent high blood
pressure even with normal urinary findings is not a sign of
arteriosclerosis. The high tension later may lead to the production of
sclerosis of the arteries, but in these cases the kidney may be
primarily at fault.
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