Exam 2 (3/29) Flashcards
Review s/s of toxicity related to alteplase (Activase)
● BLEEDING (can cause a serious GI bleed) ● Angioedema ● Hypotension ● Recurrence of VTE ● Anaphylaxis and fever ● Cholesterol embolization
Know the administration technique of enoxaparin (Lovenox)
● Administer subQ in a prefilled syringe
● One-time use syringe
● Do NOT expel the air bubble from the syringe before administering, Administer the air bubble in the pre-filled syringe
● Monitor for excessive bleeding and bruising
Review the therapeutic levels of PT and INR in regards to warfarin (Coumadin) therapy
● PT Normal Levels: 11-13 seconds
○ PT Therapeutic Levels: 18 seconds to 24 seconds
● INR Normal Levels: 1.1 or below
○ INR Therapeutic Levels: 2.0-3.0 with average of 2.5 KNOW THIS
■ For those with recurring clots 2.5-3.5 with an average of 3.0
Identify AE’s of heparin induced thrombocytopenia
● pt has a platelet count that continues to drop significantly with increased thrombi ○ Type I ■ Gradual reduction in platelets ■ Heparin therapy can generally be continued. ○ Type II ■ Acute fall in number of platelets (more than 50% reduction from baseline) ■ Discontinue heparin. ○ Clinical manifestations ■ BLEEDING RISK ■ Thrombosis that can be fatal. ■ Bruising ■ Petechiae ■ Hematomas ■ black/tarry stools ■ Calf pain ■ Tenderness ■ Swelling ■ Shortness of air ● Toxicity: ○ Discontinue heparin immediately – give antidote ○ Antidote to heparin is IV protamine sulfate
Review contraindications for antilipemic drugs
● Try non drug means for cholesterol levels for 6 months before drug is considered ● High cholesterol… over 300 (more at risk for coronary heart disease) ● Allergy ● pregnancy ● liver disease ● elevated liver enzymes ● Cirrhosis ● gallbladder disease ● Interventions: ○ Baseline liver function ○ Obtain CPK if muscle pain occurs ○ Dietary patterns, exercise, tobacco
Know patient teaching for gemfibrozil (Lopid)
● Treats type III, IV, and V hyperlipemia
● May increase the risk for gallstones so avoid fried, fatty foods
● Can cause GI discomfort, N/V/D
● Must attempt lifestyle changes for 6 months before beginning therapy
● Need to have periodic liver function labs done
Identify AE’s of atorvastatin (Lipitor)
● Myopathy (rhabdomyolysis) ● GI disturbances ● Headache ● Rash ● Dizziness ● blurred vision ● Fatigue ● insomnia
Know contraindications for atorvastatin (Lipitor)
Drug allergy
● Pregnancy
● liver disease
● elevated liver enzymes
Know AE’s of albumin
● Impaired coagulation
● bleeding
Review indications of sodium chloride
● Hypovolemia, dehydration
● Manage F & E imbalances
● Promote urinary flow
Know contraindications for the use of potassium
● Hyperkalemia
Review contraindications for thyroid replacement drugs
● Recent MI
● Drug allergy
● Adrenal insufficiency
● Hyperthyroidism
Know the time length of when therapeutic effects occur for thyroid replacement drugs
● Takes several weeks for therapeutic effects to be seen
Identify important teaching to the client prescribed thyroid replacement drugs – levothyroxine (Synthroid)
● It has a long half life, so once a day dosing… oral or IV
● Take it at the same time everyday, before breakfast (empty stomach- wait at least 30 minutes)
● Therapeutic effects take several weeks to occur
● Do not switch generic and brand name
● Dose in mcg (easy to make dosage mistake)
Review the instructions/teaching provided to clients who receive radioactive iodine-131.
● CONTAGIOUS WHEN RECEIVING TREATMENT!!
● Can contaminate others: saliva, urine
● Avoid sexual contact, sleeping in same bed as others, having close contact with children or pregnant women, and sharing utensils/cups.
● Contraindicated during pregnancy & lactation (cannot conceive for 6 months after treatment)
● Usually only on it for a short period of time
Know the major adverse effects of antithyroid drugs – propylthiouracil (PTU) – and how a nurse should monitor for these adverse effects.
● Upset stomach: dose with meals
● Agranulocytosis: low WBC
○ Fever, sore throat, unusual bleeding, skin breakdown
○ monitor CBC at baseline and periodically there after
○ Stop therapy if seen
● Liver and bone marrow toxicity
● Propylthiouracil (PTU)- 2 weeks of therapy needed before symptoms improve
Understand the rationale as to the importance of tapering off the dose of corticosteroids.
● Adrenal suppression can happen
○ Adrenal glands naturally secrete hormones, but once you take corticosteroids your adrenal glands stop making as much- this leads to addison’s crisis
○ Tapering off = waking adrenal glands back up
how to properly prepare and administer parenteral (IV) methylprednisolone (Solu-Medrol).
● Push on top to break the seal
● Mix the powder and solution a little bit
● Break off small top piece and clean with alcohol swap
● Shoot air into the vial and then draw back what you need
● Get rid of air/air bubbles and administer
give over 30 minutes
Know the adverse effects associated with corticosteroid/adrenal drugs.
● Most important: moon face, hyperglycemia and psychosis, adrenal suppression
● Glaucoma
● cataracts
● Increased risk of infections, especially with common bacterial, viral and fungal microorganisms
● Thinning bones (osteoporosis) and fractures
● Thin skin, bruising and slower wound healing
Know the adverse effects of fludrocortisone (Florinef) and which types of clients it could be contraindicated in.
● Adverse effects: r/t water retention ○ Heart failure ○ HTN ○ Increased intracranial pressure ● Contraindicated: systemic fungal infection
Know the indications of use for proton pump inhibitors
● Erosive esophagitis
● GERD
● Ulcers in the stomach: Duodenal and gastric ulcers