Circulatory disorders
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Circulatory disorders. Aneurysm: ballooning of an artery, thinning and weakening. Circulatory disorders. Angina Pectoris Chest pain, caused by lack of oxygen to heart muscle Often a warning before a heart attack Treat with nitroglycerin to dilate coronary arteries – given sublingual.

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Circulatory disorders

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Circulatory disorders

Circulatory disorders

Aneurysm: ballooning of

an artery, thinning and

weakening

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders1

Circulatory disorders

Angina Pectoris

  • Chest pain, caused by lack of oxygen to heart muscle

  • Often a warning before a heart attack

  • Treat with nitroglycerin to dilate coronary arteries – given sublingual

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders2

Arrhythmia

Any change from normal heart rate or rhythm

BRADYCARDIA

Slow heart rate (<60/minute)

TACHYCARDIA

Rapid heart rate (>100/minute)

Circulatory disorders

What is the

normal range

for pulse?

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders3

Circulatory disorders

Arteriosclerosis: arterial walls thicken, lose

elasticity

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders4

Circulatory disorders

Atherosclerosis: fatty

deposits form on

walls of arteries

What is the difference between

arteriosclerosis and atherosclerosis?

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders5

Circulatory disorders

Coronary artery disease: a narrowing of the arteries that supply oxygen and

nutrient- filled blood to the heart

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders

Hypertension: HBP

High blood pressure

Silent Killer, usually no symptoms

Leads to strokes, heart attacks, kidney failure

Higher in African Americans and post-menopausal women

Risk factors = smoking , overweight, stress, high fat diets, family history

Treatment relaxation, low fat diet exercise weight loss, medication

Hypotension

Low blood pressure systolic <100


Circulatory disorders6

Circulatory disorders

Heart failure: occurs when the

ventricles are unable to contract

effectively and blood pools in the

heart

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders7

Circulatory disorders

Murmurs: indicates defect

in heart valves

  • Gurgling or hissing sound

What is the most

common instrument

used to detect murmurs?

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders8

Circulatory disorders

Myocardial infarction: MI/heart attack

  • Lack of blood supply to the myocardium causes damage.

  • Due to blockage of coronary artery or blood clot

  • Amount of damage depends on size of area deprived of oxygen

  • Immediate medical care is critical

  • Rx: bedrest, oxygen, medication

  • Morphine for pain, tpa to dissolve the clot

  • Anticoagulant therapy to prevent further clots

  • Angioplasty and by-pass surgery may be necessary

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders9

Circulatory disorders

How can PVD

be prevented?

Peripheral vascular disease: caused by

blockage of the arteries, usually in the legs

S/S: pain or cramping in the legs or

buttocks while walking

Tx: Rx to decrease cholestrol, diet change,

improve circulation

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders10

Circulatory disorders

Pulmonary edema:

excessive fluid in tissues

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders11

Circulatory disorders

  • Transient ischemic attack

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders12

Circulatory disorders

Varicose veins: swollen, distended veins

  • heredity or due to posture

  • prolonged periods of standing, physical exertion, age and pregnancy

    Prevention

  • Wear sunscreen

  • Elevate legs when resting

  • Wear elastic support stockings

  • Eating fiber diets

  • Exercise

  • Weight control

2.02 Understand the functions and disorders of the circulatory system


Circulatory disorders13

Circulatory disorders

Leading Causes of Death:

The Impact of Circulatory Disorders

2.02 Understand the functions and disorders of the circulatory system


Relevance of nutrients to the blood and circulatory system

The circulatory system plays a vital role in homeostasis

Absorption and transport of nutrients to cells, tissues, organs, and systems

Relevance of nutrients to the blood and circulatory system

Did you know???

Vitamin K-

prevents hemorrhage

Vitamin B12-

prevents anemia

Vitamin E-

prevents hemolysis

2.02 Understand the functions and disorders of the circulatory system


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