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DISEASES AND DISORDERS OF BLOOD
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Anemia Too few erythrocytes or too little hemoglobin molecules.
Hemorrhagic Anemia - due to excessive loss of RBC’s due to bleeding Aplastic Anemia – inability of red bone marrow to produce erythrocytes
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Anemia Iron deficient anemia – body can’t makek hemoglobin molecules w/o enough iron Pernicious Anemia – deficiency of B12 Hemolytic Anemia – abnormal destruction of erythrocytes
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Anemia Sickle Cell Anemia - due to abnormal hemoglobin (S-shaped)
causes RBC to bend into a sickle shape
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Hemolytic Disease of the Newborn
Only infants of Rh- mothers are at risk Rh incompatibility between mother and newborn infant Affects second or later children
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HEMOPHILIA Hemophilia – sex-linked hereditary disorder of coagulation process (blood will not clot) due to lack of certain clotting factors in the blood (Factor VIII or V)
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Leukemia Uncontrolled production and accumulation of cancerous WBC’s
May prevent production of normal RBC’s More common in adults than children May DEVELOP an uncontrolled infection due to the abundance of immature or abnormal WBC’s that cannot fight infection or disease
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Infectious Mononucleosis
Contagious disease primarily affecting the lymph tissue but also effecting the blood caused by a virus May be transmitted in saliva-nicknamed “kissing disease” Flu-like symptoms, chronic fatigue Affects a lymphocyte not monocyte
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Polycythemia Excessive number of erythrocytes
Overproduction of blood cells (usually red blood cells) Results in increased blood viscosity and elevated blood pressure Can contribute to thrombosis and hemorrhaging
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Diseases and Disorders of Cardiovascular System
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Aneurysm Abnormal dilation in arterial wall.
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Arteriosclerosis Hardening of the arteries related to age and other disease processes. Atherosclerosis – form of arteriosclerosis – fatty plaques in vessesl
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Cerebral Vascular Accident (CVA) - Stroke
Sudden impairment of a blood vessel in the brain causing the tissue to die. Complications vary
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Coronary Artery Disease
Heart muscle receives inadequate blood and oxygen because of occlusion of coronary arteries
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CAD Interventions CABG PTCA Stent Drug Therapy Coronary Artery Bypass
Graft PTCA Percutaneous Transluminal Angioplasty Stent Drug Therapy
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Hypertension High blood pressure Can lead to: Stroke
CAD - atherosclerosis cardiomegaly - cardiomyopathy Congestive Heart Failure (CHF)
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Pulse Points
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Carotid Pulse
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Brachial Pulse
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Radial Pulse
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Femoral Pulse
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Popliteal Pulse
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Dorsal Pedalis Pulse
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Murmur Defect in Heart valve causing a leakage
Classified by how much leakage
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Myocardial Infarction (M.I.)
Heart attack Heart muscle cell death A condition caused by partial or complete occlusion of one or more of the coronary arteries
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Diseases and Disorders of the Lymphatic system
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AIDS Acquired Immunodeficiency Syndrome
A disease caused by a virus (HIV) Human Immunodeficiency Virus Destroys T-Cells (Helper) Four stages Victim dies from infection by another opportunistic disease pneumonia - Kaposi’s sarcoma dementia - AIDS Wasting Syndrome
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Measles Also known as rubeola Highly contagious Koplik’s spots appear
Flu-like symptoms Vaccines help
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Mumps Viral infection affecting parotid salivary glands
Greatest complication -- infertility
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MUMPS
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Rubella An acute infectious disease resembling both scarlet fever and measles but differing from them in that it has a short course, slight fever, and is free from sequelae. Also known as German Measles
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Tetanus An acute infectious disease due to the toxin Clostridium Tetani growing anaerobically at the site of the injury. May cause lockjaw and muscle paralysis.
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THE END
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