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Drugs for shock

Pharm exam 3

define shock decreased blood supply to tissue
clinical manifestations of shock decreased BP, increase HR, increased RR, cool extremities, lowered urinary output, may or may not be conscious
6 types of shock hypovolemic, cardiogenic, distributive, anaphylactic, neurogenic, septic
define hypovolemic shock blood loss or fluid shifts
define cardiogenic shock pump failure
define disributive shock vasodilatation
define anaphylactic shock allergic response
define neurogenic shock lack of SNS stimulation
define septic shock infection (bacteria/fungi)
4 nursing considerations for patients with shock assess condition, treat cause, positioning, medicaitons
example of treating cause of shock (ie: blood loss) stop hemorrhage, start IV, push fluids, give blood
example of treating cause of shock (ie: septic) give antibiotics
positioning to help with shock feet up, except HOB elevated with cardiogenic shock
What positioning is used in cardiogenic shock? HOB elevated
general medications used in shock adrenergic agents (vasopressors); always given on a pump, close monitoring of patient
How are medicaitons given for shock? always on a pump
prototype medication for shock epinephrine (adrenalin)
what type of medication is epinephrine (Adrenalin)? potent inotropic = cardiac simulation
Therapeutic use for epinephrine (adrenalin) usually for severe anaphylactic shock, allergy (not cardiac shock or cardiac dysrhythmias)
Kinetics of epinephrine (adrenalin) IV, SC (Epi-pen), inhalation
dynamics of epinephrine (adrenalin): onset immediate, peak 2-5 (minutes), duration 5-10 (minutes)
What type of medication is norephinephrine (Levophed)? potent vasoconstrictor
Kinetics of norephinephrine (Levophed) IV titrated according to BP
Norephinephrine (Levophed) is drug of choice for what? (vasodilatation)
When is norephinephrine (levophed) used? after dopamine or dobutamine has been tried
Therapeutic uses of dopamine (intropin) hypotension, increased CO
Advantages of using dopamine (intropin) low dosages (less than 0.5-10 mcg/kg/min) stimulate urinary function
Therapeutic uses of dobutamine (Dobutrex) cardiogenic shock (acts on beta receptors)
How does dobutamine (Dobutrex) help in cardiogenic shock? enhance cardiac contraction, stroke volume and cardiac output
Dobutamine (Dobutrex) is less likely to cause what? hypertension, tachycardia
Therapeutic use of metaraminol (Aramine) hypotension associated with spinal anesthesia; less potent and longer duration
How should drugs for shock be started? on an infusion pump
When observing for therapeutic effect of drugs for shock what are you monitoring? BP, increase urine output, increased heart rate
Adverse effects of medications for shock tachycardia, dysrhythmias, hypertension, chest pain
Created by: 1818554924
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