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105 Cards in this Set

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ferrous gluconate
1. % elemental iron
2. with/without food
3. Form
4. DDI
1. 12%
2. empty stomach (1 hour ac)
3. tablets only
4. most decrease absorption; vit C increases absorption
ferrous gluconate
1. class
2. ADE
3. antacids
1. oral iron supplement
2. dyspepsia, DVCD, dark stools
3. 1 hour before, 4 hours after antacids.
ferrous sulfate
1. class
2. % elemental iron
3. forms
1. oral iron supplement
2. 20%
3. tablets, drops, elixer, syrup:suspension
ferrous fumerate
1. class
2. % elemental iron
3. forms
1. oral iron supplement
2. 33%
3. tablets, drops, or suspension.
name oral iron supplements from most to least elemental iron
1. ferrous fumerate
2. ferrous sulfate
3. ferrous gluconate
FSG-359
F= fumerate
S= Sulfate
G= Gluconate

take mg and divide by the corresponding number to get percentage of elemental iron
Parenteral iron indications
severe iron deficiency anemia
which IV iron supplement has the most elemental, iron?
ferrlecit
Which IV iron supplement has the least elemental iron?
Sucrose
Name 3 IV iron supplements
1. Ferrlecit
2. Dextran
3. Sucrose
indications for Ferrlecit
chronic hemodialysis and EPO
ADE of ferrlecit
cramps
NV
flushing
hypotension
rash
indications for IV Dextran
oral iron supplementation not possible or ineffecient.
BBW of Dextran
give test dose- many anaphylaxis reactions
ADE of Iron Dextran
injection site pain & discoloration
hypotension
fever
chills
Iron Sucrose- indications
chronic hemodialysis and EPO
Iron Sucrose BBW
anaphylactic reaction: give test dose first
ADE of iron sucrose
leg cramps
hypotension
how is dosing decisions made for parenteral iron supplementation?
weight-based
in comparison to oral iron supplements, what SE do IV iron supplements have more frequently?
hypotension
cramps
What do you give for a vit B12 deficiency
cyanocobalamin
what do you give to treat pernicious anemia
cyanocobalamin
If a patient has B12 deficiency and no neurological symptoms: tx =
OTC B12
if a patient has B12 deficiency and neurological symptoms (memory & psychosis)
subQ or IM injection B12
what is important to do regarding the administration of B12 injections?
titrate up: 1 per week, then 1 per month, then every month (ultimately)
ADE of cyanocobalamin
headache
nausea/vomiting
hypok
monitor k levels for B12 patients for how long?
1-2 weeks post initiation of B12 injections, then 1-2 times per year
what ways can B12 injections be administered?
1. subQ
2. IM
What must you remember to prescribe when writing an Rx for cyanocobalamin?
needle: gauge and length
IM: long
SubQ: short
If altering diet to correct mild B12 deficiency, which patients should not add clams, oyster, and tuna to their diet to improve B12 levels?
someone with Gout
for iron-deficiency anemia and oral iron supplementation, peds patients require what form?
drops
Normal folate-deficiency patients have what dose?
1 mg every day
folate-deficiency anemia is common in what syndrome?
alcoholism
folic acid deficiency is often drug induced by:
1. antiseizure medications
2. MTX
3. HTN meds
What two drugs can you prescribe for anemia of chronic disease?
Procrit & Aranesp
when writing an Rx for Procrit/Aranesp, what else must you provide?
iron supplementation
MOA of Procrit/Aranesp?
stimulate erythroid progenitor division and differentiation
BBW of Procrit/Aranesp?
1. increase CV risk in CRF
2. increase risk of death & tumor progression in cancer
3. increase risk of thromboembolic events in surgery patients.
CI for Procrit/Aranesp?
1. uncontrolled HTN
2. Ab-mediated anemia
ADEs of Procrit/Aranesp?
1. HTN
2. Edema
3. Tachycardia
4. Thrombosis
5. NVD
Serious ADEs of Procrit/Aranesp?
1. tumor progression
2. increased mortality
3. CHF
4. Stroke
5. MI
6. Seizure
7. embolism
route of administration for Procrit/Aranesp?
SubQ or IV
Dosing of procrit/aranesp is dependent on?
disease
target Hb level when treating anemia of chronic disease with Procrit/Aranesp?
10-12
When can you increase a dose of Procrit/Aranesp 25%?
if Hb response <1 gm in 4 weeks or Hb <10
when can you decrease a dose of Procrit/Aranesp by 25%?
If Hb response >1gm within 2 weeks or hb >12
Extrinsic clotting cascade activated by:
tissue thromboplastin
intrinsic clotting cascade activated by:
activation of Factor XII by contact
common clotting cascade:
converge on factor X-- leading to activation--generation of thrombin and prothrombin
Thromboembolism occurs in what 3 conditions?
1. DVT
2. PE
3. VTE
What are some risks associated with developing a thromboembolism?
1. older than 50
2. major surgery
3. history of VTE
4. trauma
5. obesity
6. catheter (dialysis patients)
8. estrogen (OCP or HRT)
9. hypercoagguable states
MOA of Unfractioned Heparin
1. potentiates actions of antithrombin III-- leading to inactivation of thrombin factors & plasmin
2. prevents conversion of fibrinogen to fibrin
3. stimulates release of lipoprotein lipase
4. binds platelets: prevents platelet aggregation.
administration of unfractioned heparin
1. treatment: IV- reliable absorption
2. prophylaxis: SubQ- erratic absorption
3. bolus flush
what should you monitor when putting a patient on unfractioned heparin?
1. aPTT
2. antifactor Xa activity
3. [plasma]
CI for unfractioned heparin
1. severe thrombocytopenia
2. uncontrolled active bleed/ hemorrhage
3. heparin-induced thrombocytopenia (monitor platelets)
What is important to know when administering unfractioned heparin?
the concentration
Lovenox
1. class
LMW heparin
Fragmin
1. class
LMW Heparin
LMW Heparin
1. two drugs
2. MOA changes from unfractioned H
1. Lovenox & Fragmin
2. more predictable anticoagulation dose response, longer half-life, decreased thrombocytopenia & need for monitoring, less erratic subQ abrosption, more antifactor Xa activity.
CI of LMW Heparin
1. history of HIT (heparin-induced-thrombocytopenia)
2. hypersensitivity to pork
Dosing of LMW Heparin
1. based on
2. adjusted
1. actual BW
2. renal
Administration of LMW Heparin
pinch skin- inject at 90* angle
What should you monitor when giving LMW heparin?
1. CBC: q5-10 days for 1-2 weeks; then 2-4 weeks
2. PT
3. antifactor Xa
4. platelets
5. occult blood
ADEs of LMW heparin
1. bruising
2. increased liver enzymes & triglycerides
3. hyperK
4. hemorrhage/hematoma
5. fever/confusion
if you have arrhythmias or HyperK and you are prescribing LMW heparin, you should:
bump up the calcium
T3:
T4:
T3: Thiodothyronine
T4: Thryoxine
T3 is _____ in plasma and _______ bioactive than T3. It comprises ____________- % of free thyroid hormones
unbound
more
10-25%
T4 is _______ to plasma proteins and represents ______% of free thyroid hormones
bound
75-95%
the hypothalamus responds by releasing TRH in situations where ______ levels are decreased
T4
Hypothyroidism Disease spectrum
high TSH, low free T4
Mild thyroid failure disease spectrum
high TSH, normal free T4
euthyroid disease spectrum
normal TSH, normal free T4
Thyrotoxicosis (hyperthroidism) disease spectrum
low TSH, normal/elevated free T3/T4
Propylthiouriacil (PTU)
1. Use
2. MOA
3. Duration of treatment
1. Graves disease; prep for surgery until euthyroidic
2. inhibits thyroid hormone synthesis
3. depends on severity of disease (from 6 months-3 years)
PTU for surgical prep- once euthyroid levels are reached, what must you do?
give iodine to decrease vascularity.
PTU
1. dose
2. BBW
3. Pregnancy Category-max dose
1. adjust based on TFTs (begin QID)
2. hepatotoxic
3. Cat D: max dose 200 mg/day
PTU
1. SE/ADE
1. dem
2. GI
3. Arthritis
4. granulocytopenia
4. leukopenia
Methimazole
1. use
2. MOA
3. potency
1. hyperthyroidism
2. inhibits thyroid hormone synthesis
3. more potent than PTU
compare Methimazole and PTU
MMI is:
1. more potent
2. longer lasting
3. faster acting
Methimazole
1. dose
2. Pregnancy category- max dose & implications
1. based on TFTs
2. D- max dose: 20 mg/day: excreted in breastmilk
Methimazole
SE
1. derm
2. myalgia/arthralgia
3. jaundice
4. edema
5. nephritis
6. agranulocytosis
7. hepatotoxicity
Potassium Iodide
4 brands
1. SSKI
2. Lugols
3. Thyrosafe
4. Thyroshield
Potassium Iodide
1. use
2. MOA
3. FDA pregnancy category
1. hyperthyroidism
2. inhibits thyroid hormone synthesis and release; increases the volume and decreases the viscosity of respiratory secretions
3. D
potassium iodide
CI
1. hyperkalemia
2. severe dehydration
3. hypothyroidism
4. renal impairment
potassium Iodide
SE/ADE
1. metallic taste
2. GI-upset & bleed
3. arrythmias
4. goiter
5. angioedema
if your patient has an adverse drug reaction and complains of "metallic taste" he probably took:
Potassium Iodide for hyperthyroidism tx
1. Form of SSKI
2. Lugals: form
3. general administration of both:
1. iodide drop
2. solution: iodide per drop
3. mix in water or juice
Propranolol (inderal)
1. use
2. MOA
3. formulations
1. symptomatic treatment associated with hyperthyroidism: anxiety, tremor, sweating, increased HR
2. MOA: non-selective beta antagonish: partially blocks conversion of T4 into T3
3. ER
Propranolol (Inderal)
1. dose
2. BBW
3. CI
1. titrate up and then back down, and off.
2. angina exacerbation, MI, or ventricular arrhythmias with abrupt discontinuance
3. cardiogenic shock or sinus bradycardia
Propranolol (Inderal)
precautions
1. bronchial asthma
2. DM
3. uncompensated heart failure
4. abrupt withdrawal
5. pregnancy: 2nd and 3rd trimester
SE/ADE of Propranolol
1. dizziness
2. bradycardia
3. hypotension
4. bronchospasm
What do you use to treat hypothyroidism?
thyroid hormone supplementation (crude or synthetic)
Crude Thyroid
1. origin
2. T4:T3 ratio
3. Importance:
4. Food
1. crushed animal thyroid
2. 2-5:1
3. brand names are not bioequivalent
4. take 30 minutes before eating
Name 3 synthetic thyroid hormones
1. levothyroxine
2. liothyronine (cytomel)
3. Liotrix (Thyrolar)
Levothyroxine
1. class
2. thyroid hormone
3. dosing
1. synthetic thyroid hormone
2. PURE T4
3. start low, titrate up; adjust dose q 4-8 weeks based on TFTs
Levothyroxine
1. food
2. DDI- 4 categories
1. take on empty stomach
2. malabsorption syndromes, decreased absorption due to foods/meds, increased clearence due to drugs, or decreased T4-T3 clearance, due to drugs.
what drugs increase the clearance of levothyroxine?
rifampin
carbamazepine
phenytoin
what drugs decrease the clearance of T4 into T3
amiodarone
selenium deficiency
Liothyronine (Cytomel)
1. Thyroid Hormone
2. ADEs
1. PURE T3
2. cardiac
which synthetic thyroid hormone is pure T3?
Liothyronine (Cytomel)
which synthetic thyroid hormone is pure T4?
Levothyroxine
Liotrix (Thyrolar)
1. class
2. T4:T3 ratio
1. synthetic thyroid hormone
2. 4:1
Thyroid Hormones
1. BBW
2. CI
1. not for weight loss (does increase metabolism)
2. acute MI, thyrotoxicosis, adrenal insufficiency
Thyroid hormones
SE/ADE
1. increased appetite
2. tachycardia
3. weight loss
4. nervousness
5. insomnia
6. heat intolerance
7. tremor
8. arhythmias
9. CHF
10. HTN
11. Angina
Thyroid Hormone:
Pregnancy Category
A