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30 Cards in this Set

  • Front
  • Back
Clotting:
The body’s three-step response to stop the loss of blood
Vascular Phase:
First step in the clotting process in which smooth blood vessel muscle contracts, reducing the vessel lumen and the flow of blood through it
Aggregate:
To cluster or come together
Platelet Phase:
Second step in the clotting process in which platelets adhere to blood vessel walls and to each other
Coagulation:
Third step in the clotting process, which involves the formation of a protein called fibrin
that forms a network around a wound to stop bleeding, ward off infection and lay a foundation for healing and repair of the wound
Fibrin:
Protein fibres that trap red blood cells as part of the clotting process
Tourniquet:
A constrictor used on an extremity to apply circumferential pressure on all arteries to control bleeding
Lactic Acid:
Compound produced from pyruvic acid during anaerobic glycolysis
Anaerobic:
Able to live without oxygen
Fascia:
A fibrous membrane that covers, supports, and separates muscles and may also unite the skin with underlying tissue
Hematoma:
Collection of blood beneath the skin or trapped within a body compartment
Epistaxis:
Bleeding from the nose resulting from injury, disease, or environment factors; a nosebleed
Esophageal Varices:
Enlarged and tortuous esophageal veins
Melena:
Black, tar-like feces due to gastrointestinal bleeding
Anemia:
A reduction in the hemoglobin content in the blood to a point below that required to meet the oxygen requirements of the body
Pulse Pressure:
Difference between the systolic and diastolic blood pressure
Catecholamine:
A hormone, such as epinephrine or norepinephrine, that strongly affects the nervous
and cardiovascular systems, metabolic rate, temperature, and smooth muscle
Hematochezia:
Passage of stools containing red blood
Orthostatic Hypotension:
A decrease in blood pressure that occurs when a person moves from a supine to a sitting or upright position
Tilt Test:
Drop in the systolic blood pressure of 20mmHg or an increase in the pulse rate of 20 beats per
minute when a patient is moved from a supine to a sitting position; a finding suggestive of a relative hypovolemia
Metabolism:
The total changes that take place in an organism during physiological processes
Ischemia:
A blockage in the delivery of oxygenated blood to the cells
Hydrostatic Pressure:
The pressure of liquids in equilibrium; the pressure exerted by or within liquids
Rouleaux:
Group of red blood cells that are stuck together
Washout:
Release of accumulated lactic acid, carbon dioxide(carbonic acid), potassium, and roleaux
into the venous circulation
Compensated Shock:
Hemodynamic insult to the body in which the body responds effectively, Signs and symptoms are limited, and the human system functions normally
Decompensated Shock:
Continuing hemodynamic insult to the body in which the compensatory mechanisms break down, the signs and symptoms become very pronounced, and the patient moves rapidly toward death
Irreversible Shock:
Final stage of shock in which organs and cells are so damaged that recovery is impossible
Overdrive Respiration:
Positive pressure ventilation supplied to a breathing patient
Pneumatic Antishock Garment:
Garment designed to produce uniform pressure on the lower
extremities and abdomen; used with shock and hemorrhage patients in some EMS systems