Interventional Drugs GW Flashcards
Captopril dose for renovascular hypertension evaluation
25-50 mg oral
given 1 hr prior to tracer
Anticoagulants
ACD
Heparin
Acetazolamide (Diamox) amount given and how
1g in 10 mL sterile water
IV over 2 minutes
Adenosine plasma half life
<10 seconds
Dobutamine plasma half life
2 minutes
Dipyridamole plasma half life
35-45 minutes
Adenosine dose
140 ug/kg/min for 6 minutes
Or 0.84 mg/kg
Atropine dose
Bump for dobutamine
0.25 - 0.5 mg
1-2 mg max
Ascorbic acid use
RBC labeling and HDP preparation
CCK dose
0.02 ug/kg
Cimetidine (Tagamet) dose and use
To prevent Pertechnetate from clearing out of gastric mucosa
-Used in Meckels
300mg/kg adults
20mg/kg peds
*IV given 1 hr before tracer, oral given over 2 days prior
Dipyridamole (persantine) dose
0.57 mg/kg
IV over 4 minutes
Dobutamine dose
Incremental dose rate every 3 mins
15 ug/kg/min up to
40ug/kg/min
Enalaprilat (Vasotec) dose and use
For renovascular hypertension evaluation
Adult: 0.04 mg/kg (max 2.5 mg)
in 10 mL saline
IV over 5 minutes
Dobutamine antidote
Esmolol
Furosemide (lasix) dose
Adult: 20-40 mg IV over 1 minute
Peds: 0.5-1 mg/kg IV over 1-2 mins
Glucagon dose and use
Meckels
- relaxes smooth muscle and slows down peristalsis to allow tracer to remain stationary for longer
Adult: 0.5 mg (0.25-2)
Peds: 5 ug/kg given IV or IM
*given 10 minutes AFTER tracer
SSKI (super saturated potassium iodide) or Lugol’s solution dose
Adult: 130 mg
Peds: 65 mg
Morphine dose
0.04 mg/kg (2-4.5)
In 10 mL saline
IV over 2 minutes
Morphine antidote
Naloxone
Pentegastrin (Peptavalon) use and dose
Meckels
- stimulates gastric secretions, increasing tracer secretion in stomach
6 ug/kg subcutaneously
15-20 mins before tracer
Phenobarbital (Luminal) dose and use
To differentiate biliary atresia from other causes of jaundice
-it enhances excretion of tracer if ducts are patent
5mg/kg/day orally for 5 days
Ranitidine (Zantac) dose and use
Ectopic gastric mucosa
100-150 mg twice daily
Regadenoson dose
0.4 mg in 5 ml
rhTSH dose
0.9 mg 2 total
IM injections on 2 consecutive days
Vitamin B12 (Cyanoject, Cyomin)
Schilling’s test
1mg IM
CCK serum half life
2.5 minutes
Morphine serum half life
3-6 hours
CCK is contraindicated if
Pt had morphine
Known sensitivity
Intestinal obstruction
Morphine is contraindicated with
Premature neonates, patients with respiratory depression, morphine allergy, acute pancreatitis
Phenobarbital contraindicated in patients with
Respiratory depression and/or
Known allergy to barbiturates
Dipyridamole (persantine) contraindications
Bronchospasm, pulmonary disease, active wheezing, hypotension, severe mitral valve disease
MI within 2 days, unstable angina within 48 hours, severe aortic stenosis, severe obstructive hypertrophic cardiomyopathy, and severe orthostatic hypotension
Dipyridamole (persantine) administration
0.142 mg/kg/min
(0.56 mg/kg in 50 mL saline)
Infused over 4 minutes
Dipyridamole peak effect takes place when
2-3 minutes after infusion has ended
When to inject tracer with dipyridamole
3-5 minutes after the infusion has ended
Maximum plasma concentration of regadenoson occurs within _____ after injection
1-4 minutes
