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What is oxygen saturation?
The amount of oxygen bound to hemoglobin in the blood.
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What is a pulse oximeter?
A device attached to the earlobe that measure the oxygen saturation of arterial blood.
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What does a pulse ox measure?
The amount of oxygen saturation in the blood
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What is the normal measurement?
the amount of oxygen saturation in the blood
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What does it mean if it is low?
there is impaired gas exchange or ventilation.
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What is capillary refill?
the amount of time it take for blood to be refilled into the arterial capillaries.
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What is normal cap refill for an adult client?
< 3seconds
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Does it require a physician's order?
YES!
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How can oxygen be delivered (name 4 ways)
non-rebreather mask, nasal cannula, venturi mask, oxygen mask, partial rebreather mask, ambu bag/intubation
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A client has a NC at 2L. What if their lips are dry?
- Use KY jelly, no petroleum
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What if their mucous membranes are dry?
use humidifier
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What if their oxygen saturation is 88% What about if it is 98% (what are your actions as an LVN?)
- - if low (88%) report to charge nurse unless COPD, get an order for O2
- - Only for a short period of time
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If a client is on high flow oxygen (6L) what do you need to do?
- - Remove mask, clean skin and face Q2 hrs.
- - only for a short period of time
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If someone is cyanotic, what does that imply?
Tissues do not have enough oxygen
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What other VS should you do FIRST after oxygen saturation?
Check for respiration
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Integumentary: hair, nails, oil, and sweat glands, blood vessels, and nerves
function: body’s first line of defense. Protects the body from bacteria and microorganisms. Maintenance of tissue moisture, receptors for stimuli response, and regulation of body heat.
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Skeletal: Bones
function: protection and movement
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Nervous: spinal cord, brain, nerves, skin, eyes, ears, tongue, nose
functions: CNS- central nervous system PNS- # of receptors that gather outside info. Control of body activities and reaction to stimuli
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Endocrine: Pancreas, pituitary gland, adrenal gland, thyroid, glands, gonads
functions: productions of hormones and body regulation
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Circulatory: blood, blood vessels, heart, lymph
functions: transports nutrients, metabolic wastes, water, salts, and disease fighting cells
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Respiratory: lungs, nasal passages, bronchi, pharynx, trachea, diaphragm, bronchial tubes.
Functions: intake of oxygen and removal of carbon dioxide from the body
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Digestive: Stomach, liver, teeth, tongue, pancreas, intestine, esophagus
Functions: breakdown of food and absorption for use as energy
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Urinary: Kidneys, Bladder, Urethra, Adrenal Glands
Functions: controls water intake and salt balance
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Lymphatic: Lymph nodes
- Reproductive: FEMALE – Uterus, vagina, cervix, ovaries MALE- urethra, testes, prostate gland, epididymis
- Function: Reproduction
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What is the function of Hgb? What does it carry? Where does this occur?
- - Hemoglobin is iron containing oxygen transport protein in the red blood cell.
- - It carries oxygen and iron
- - It occurs in the gas exchange in the alveoli
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What is the membrane called that covers an organ? The thoracic cavity? The abdominal cavity? The joint cavity?
- - Peritoneum : covers abdominal cavity
- - Visceral: Organs
- - Pleura: Thoracic cavity
- - Peritoneal membrane: abdominal cavity
- - Synovial membrane - joint cavity
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