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From The Hygienic Dictionary

Doctors. [1] In the matter of disease and healing, the peopl...

The Glands In The Skin

Sweat Glands. Like all the pavement (epithelial) surfaces of ...

Suppression Of The Menses Amenorrhoea

For sudden suppression from taking cold, as by wetting the ...

Physical Signs Of Bronchial Foreign Body

In most cases there will be limitation of expansion on the in...

Catarrh Chronic

If in the head, first give face-bath, as in common colds, exc...

Essentials Of A Successful, Safe Fast

1. Fast in a bright airy room, with exceptionally good ventil...

Treatment Of Scarlatina Simplex Or Simple Scarlet-fever

_Scarlatina simplex_, or _simple scarlet-fever_ (9), without ...

Bathing

Cold baths, while greatly to be recommended to those who are s...

Contrariness

I KNOW a woman who says that if she wants to get her ...

Asphyxia Suspended Animation

Use B D current, pretty strong force. Place P. P. at back of ...

On The Unadherent Eschar

The eschar is generally adherent in cases of recent injuries,...

Acute Diarrhea

Take B D current. Place N. P., long cord, upon the lumbar ver...

Chapped Hands

Our idea is that this is caused by the soda in the soap used. ...

Angina Pectoris Management

While a number of causes of true cardiac pain may be eliminat...

From The Hygienic Dictionary

Food. [1] Life is a tragedy of nutrition. In food lies 99.99...

Diagnosis

After what has been said about the symptoms of scarlatina, it...

Cooking

Why We Cook our Food. While some of all classes of food may...

Differential Diagnosis Of Laryngeal Growths In The Larynx Of Adults

Determination of the nature of the lesion in these cases usu...

The Surgical Dissection Of The Axillary And Brachial Regions Displaying The Relative Order Of Their Contained Parts

All surgical regions have only artificial boundaries; and the...

Blisters

The destruction of the skin over any painful part, by means of...



Physics Of Aortic Lesions





Category: Uncategorized
Source: Disturbances Of The Heart

Next in frequency to mitral insufficiency is aortic insufficiency,
which occurs most frequently in men. The cavity of the heart that is
most affected by this lesion is the left ventricle, which receives
blood both from the left auricle, and regurgitantly from the aorta.
This part of the heart, being the strongest muscular portion, is the
part most adapted to hypertrophy, and the hypertrophy with this
lesion is often enormous. For a long time this large muscular
section of the heart can overcome all difficulties of the aortic
insufficiency. The pulse, however, will always show the quickly lost
arterial pressure of every beat on account of the aorta losing its
pressure through the regurgitant flow of blood. Sooner or later,
from the impaired aortic tension causing a diminished or imperfect
flow of blood through the coronary arteries, impaired nutrition of
the heart muscle occurs. In other words, an intestinal or chronic
myocarditis or fibrosis develops, with perhaps later a fatty
degeneration. When this condition occurs, of course, the repair of
the heart is impossible.

This form of valvular lesion is the one that is most likely to cause
sudden death. In aortic regurgitation Nature causes the heart to
beat rapidly. Such a heart must never beat slowly, as the longer the
diastole prevails the more blood will regurgitate into the left
ventricle, and death may occur from sudden anemia of the base of the
brain. Such a heart may, of course, receive a sudden strain, or the
left ventricle may dilate, and yet serious myocarditis or fatty
degeneration may not have occurred.

The signs of lack of compensation are generally cardiac distress,
rapid heart, insufficiency of the systolic force of the left
ventricle, and therefore impaired peripheral circulation, a sluggish
return circulation, pendent edemas, and soon, with the left auricle
finding the left ventricle. insufficiently emptied, the damming back
of the blood is in broken compensation with the mitral lesions.





Next: Aortic Stenosis

Previous: Physics Of Mitral Stenosis



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