Essay on Blood: Blood and Hematocrit Hemoglobin

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Everyone’s blood pressure drops at one time or another, often without adverse reaction. Certain conditions can cause prolonged period of hypotension that can become dangerous if left untreated. These include:
• pregnancy (due to an increase in demand for blood from both mother and the growing fetus)
• large amounts of blood loss through injury
• impaired circulation caused by heart attacks or faulty heart valves
• weakness and a state of shock that sometimes accompany dehydration
• anaphylactic shock, a severe form of allergic reaction
• infections of the bloodstream
• endocrine disorders such as diabetes, adrenal insufficiency, and thyroid disease
Medications might also cause a drop in blood pressure. Beta-blockers and nitroglycerin, used to treat heart disease, are common culprits. Diuretics, tricyclic antidepressants, and erectile dysfunction drugs can also cause hypotension.
Some people have low blood pressure for unknown reasons. This form of hypotension, calledchronic asymptomatic hypotension, usually does not cause harm.

The pushing of the blood against the artery walls is low blood pressure. Low blood pressure can sometimes make one feel dizzy or even tired. There are certain conditions that can cause low blood pressure, one being large amounts of blood loss through injury of which Maggie suffered. Low blood pressure is related to shock. The most common symptoms would include: fatigue, clammy skin, and loss of consciousness. If the low blood pressure is shock related emergency personnel will give one fluids to increase your blood pressure and in order to stabilize the vital signs.

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Besides hematocrit hemoglobin is an index of oxygen carrying capacity. Hemoglobin is the iron-containg oxygen-transport metallopreotein in the red blood cells.
Hemoglobin is the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs. Each globulin chain contains an important central structure called the heme molecule. Hemoglobin also plays an important role in maintaining the shape of the red blood cells. Hemoglobin is usually measured as a part of the complete blood count from a blood sample. The hemoglobin level is expressed as the amount of hemoglobin in grams (gm) per deciliter (dL) of whole blood, a deciliter being 100 milliliters. The normal ranges for hemoglobin depend on the age and, beginning in adolescence, the gender of the person; adult makes 14 to 18 gm/dL and adult females 12 to 16 gm/dL.

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