IV 30Hr
Deep veins
accompany the corresponding arteries and are called venae comites or venae comitantes.
The function of electrolytes is to
Maintain osmolality regulate balance promote neuromuscular irritability and regulate the distribution of body fluids among the different fluid compartments .
When administering IV therapy to a geriatric patient, you should:
use a small gauge catheter & avoid the use of tape
Implanted port
Central venous catheter consisting of a silicon catheter attacked to a titanium or plastic reservoir covered by self sealing silicone rubber septum that is surgically placed in a subcutaneous tissue
CVP
Central venous pressure which is an indicator of circulatory function and the pumping ability of the right side of the heart
Tunneled catheter
A central venous father with a cuff at the Edit site . A segment of the catheter lies in a subcutaneous tract . It's is placed surgically and the top in the superior venacava
Chylothorax
A puncture of a lymph node with leakage of lymph fluid
Colloid
A substance in which microscopically dispersed insoluble particles are suspended throughout another substance
Butterfly needle
A winged infusion set CVL: central venous line, who's típ lies in the superior/inferior vena cava
There are guidelines that are designed to reduce the transmission of bloodborne and other pathogens and apply to all patients regardless of their
Diagnosis
Decreased urine output leads to __________, which leads to an increase in HCO3-, which leads to __________."
An increase in H+, acidosis
Crystalloids
Aqueos solutions of. I eran salts or other water soluble molecules
Crystalloids
Aqueous solutions of the mineral salts or other water-soluble molecules.
Disposable face masks are to be worn whenever
there is a reasonable expectation that droplet transmission may occur
Anions or negatively charged electrolytes
Chloride, phosphorus, bicarbonate
Proximal
Closest to giving point of reference through out this course "proximal" denotes the inserted end (nearest the patients heart )
Fluids
Consist of water and solutes
What is TPN used for?
Long term therapy, delivers 2,000-3000 calories per day or more and glucose concentration 10% —50% and greater
Electrolytes are identifier by their
Electrical charge
Calcium chloride, calcium gluconate , potassium, sodium bicarbonate
Electrolyte solutions include
electrically charged solutes of the body of fluids and their role is to maintain the chemical balance of the body.
Electrolytes
Hemosiderosis
Excessive deposition of hemosiderin ( an insoluble form of tissue storage iron) in bodily tissues as a result of the breakdown of red blood cells
2 mL of isotonic crystalloid solution are needed to replace 1 mL of patient blood
False
LVN's can hang IV fluids that contain potassium?
False
a hypotonic solution such as D5W may be needed for a patient on dialysis when diuretic therapy dehydrates the cells
False
Distal
Farther from a given point of reference; throughout this course , "distal" denotes the equipment end ( farthest from the patient' gauge : diameter of a needle
capillary filtration
Forced fluid and solutes through capillary wall pores .
a liver disease caused by the Hepatitis C virus (HCV). HCV infection sometimes results in an acute illness, but most often becomes a chronic condition that can lead to cirrhosis of the liver and liver cancer. There is no vaccine for Hepatitis C.
Hepatitis
Volume - controlled set:
I.V. Administration set that can deliver small amounts of fluid.
Hyponatremia
Irritability, fatigue, muscle weakness, tachycardia, headache, hypotension, increased urine output
Hypernatremia
Irritability, thirst, fever, decreased urine output, flushed skin, hypertension
Infiltration
Is the inadvertent leakage of a non -vesicant solution from the vein, into the surrounding tissue
Extravasation
Is the inadvertent leakage of a vesicant solution from the vein into the surrounding tissue
passive transport
Is the movement of molecules across a cell membrane from areas of high concentration to areas of low concentration; so it doesn't require energy.
active transport
Is the movement of molecules across the cell membrane in the direction against their concentration gradient, i.e moving from area of lower concentration to an area of higher concentration.
Diffusion
Is the movement of molecules from areas of higher concentration to areas of lower concentration.
Filtration
Is the movement of substances from an area of high hydrostatic pressure to an area of lower hydrostatic pressure .
There are three basic types of fluids that are used for I.V. therapy
Isotonic, hypotonic, hypertonic
Which of the following are signs of shock?
Pale, cool and clammy skin
Cations or positively charged electrolytes
Potassium, sodium, magnesium and calcium
Solutes that do not carry electrical charge include :
Protein, glucose, and organic acids .
Chylothorax
Puncture of lymph node with leakage of lymph fluid
Body fluids also include
Saliva, Blood, Vaginal secretions, Semen, Cerebrospinal fluid, Pericardial fluid, Peritoneal fluid, Amniotic fluid, Pleural fluid, wound drainage.
Which of the following is NOT an electrolyte that plays an important role in the body? "
Sodium
Epidermis
The _________ is composed of squamous cells that are less sensitive than underlying structures. The epidermis is the first line of defense against infection.
Dermis
The _________ is much thicker than the epidermis. This layer consists of blood vessels, hair follicles, sweat glands, sebaceous glands, collagen fibers, lymphatic vessels and nerves.
Drip Rate
The __________represents the number of drops infused per minute. Here is the formula: Volume to be delivered x Drip factor _______________________________ = Drip
Which of the following describes the term "isotonic?"
The natural tendency for substances to flow from an area of higher concentration to an area of lower concentration
What is PPN used for?
Therapy lasting 3 weeks or less, delivers between 1,300-1,800 calories per day, and the maximum glucose concertados at 10%
True or false: If you are using an over-the-needle catheter to start an IV on a pediatric patient, gauges of 22 to 24 are the best choices for insertions
True
Heparin lock :
Used for intermittent therapy . Heparin flush is infused through and ends (injection ) cap that has been affixed to the access device . Hydrothorax : infusion of a solution into the chest
Body Fluids
Water and dissolved substances in the body
Dopamine, epinephrine, levophed
What are Vasopressors ?
If the infusion is continuous
When the TPN is almost empty, prepare a new bag of TPN solution
Capillaries, venules
____________provide nutrients to the tissue and take wastes away. ________connect with _______ which are the smallest veins.
The dermis layer
__________reacts quickly to painful stimuli as well as to temperature changes and pressure sensation. This is the most painful layer during a venipuncture.
Hepatitis B virus (HBV) is
a pathogenic microorganism that can cause potentially life threatening disease in humans.
Universal Precaution is
an infection control principle that treats all human blood and other potentially infectious materials (OPIM) as infectious
Microorganisms is
an organism that is so small that it is microscopic (invisible to the naked eye).
Hypercalcemia S/S
anorexia, nausea, fatigue, constipation, dehydration, headache, hypertension, cardiac arrhythmias
Hyperphosphatemia
anorexia, nausea, tetany, tingling, cramps, nervousness, cardiac arrhythmias
In selecting an IV site, you should:
avoid areas where the vein crosses over
Hypokalemia
fatigue, weakness, leg cramps, weak/irregular pulse, hypotension, hyperglycemia, bradycardia, cardiac arrhythmias
Hemothorax
bleeding into the pleural cavity
Arteries
carry oxygenated blood away from the heart.
Superficial veins
commence as a network of small veins just under the skin. Superficial veins in the hand and forearm are the ones most utilized for the initiation of IV therapy, other veins in the upper arms can also be used and frequently are accessed as venipuncture sites.
The vein
consists of three layers: Tunica adventitia, Tunica media and Tunica intima
Heart function
counteracts the renin-angiotensin-aldosterone system, causing sodium secretion
Osmosis
is the spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.
Hypomagnesemia
dizziness, confusion, leg cramps, nausea, difficulty swallowing, cardiac arrhythmias
Hypertonic Fluids
have a higher osmolality than the serum. These fluids pull fluid from the interstitial and intracellular compartments back into the blood vessels. Can be used to treat low serum sodium levels or hypovolemia.
Hypotonic fluids
have a lower osmolality than the serum. When given they help hydrate the cells and can decrease the amount of fluid in the circulatory system. Hypertonic solutions have a higher osmolality than the serum. These fluids pull fluid
isotonic fluids
have the same osmolality as the serum and other body fluids. It expands the intravascular compartment. It can be used as maintenance fluid or to treat hypotension; secondary to hypovolemia.
HIV
human immunodeficiency virus that effects your CD4 cells
Hypophosphatemia
lethargy, stuttering/stammering, joint stiffness, memory loss, muscle pain
Hypochloremia
increased muscle excitability, tetany, decreased respirations
Bloodborne pathogens are
infectious microorganisms in human blood that can cause disease in humans.
Hypermagnesemia
muscle weakness, lethargy, nausea, hypotension, slow/weak pulse, bradycardia, decreased L.O.C.
Hyperkalemia
muscle weakness, nausea, diarrhea, lethargy, bradycardia, hypotension, cardiac arrhythmias
Lungs and liver functions
part of renin-angiotensin-aldosterone system which regulates sodium, water balance and blood pressure (BP).
Kidneys Function
particles are removed from a solution through filtration
Hypothalamus and posterior pituitary gland functions
produces and excretes ADH which causes the body to retain water
Personal protective equipment or PPE are
protective wear/ materials used to protect you from any splashes or body exposures to blood, and or other contaminates.
May be referred to as a hep lock or peripheral lock. this is the process of creating positvie pressure in the IV catheter with saline in order to prevent occlussion at the IV site. there is no running IV
saline lock
Adrenal glands function
secrete Aldosterone, which influences sodium and potassium balance in the kidneys
Parathyroid glands function
secretes ______________hormone which draws calcium into the blood from the bones and moves phosphorus from the blood to the kidneys where it is excreted
Thyroid Gland Function
secretes calcitonin which is a hormone that lowers elevated calcium level by preventing calcium release from the bone
Which of the following should not be done in the event of an allergic reaction to an IV medication?
slow the IV rate
Personal protective equipment must be removed prior to leaving the work area and should be disposed in
the appropriate designated container or area for storage / disposal.
Gastrointestinal tract
sodium, potassium, chloride, and water are absorbed in the ____________ 26
Hyperchloremia
stupor, rapid/ deep breathing, muscle weakness Hypochloremia: increased muscle excitability, tetany, decreased respirations Magnesium Major cation in ICF 1.5-2.5 mg/dl Active in carbohydrate and protein meta
Arterioles
subdivide into capillaries.