Several factors play a role in the scientific basis of IV:PO con-version
The equivalence between intravenous and oral levothyroxine is 0
v
Oral Morphine Equivalents (OME) are approximations of the equianalgesic effects of other opioids compared to oral morphine
0
IV equivalence: (F) 20 mg = (B) 1 mg = (T) N/A Example Dose Conversion: For a patient receiving furosemide 80 mg IV twice daily, the patient could be converted to any of the following oral loop diuretic doses: furosemide 80 mg, bumetanide 2 mg, or torsemide 40 mg
Maintenance dose: 10 to 40 mg orally once a day in the evening
In the case of converting morphine to methadone, methadone has a relative potency of 4:1 at lower morphine doses, but becomes much more potent (12:1) in patients converting from very high morphine doses
If there is no suggested
However, this drug is also widely used off-label to treat supraventricular tachyarrhythmias, such as atrial fibrillation, and to
The most common routes of administration of opioids are PO, IV, and TD
0
3 mg/kg (usual single dose range: 2 to 5 mg) IV 30 minutes after the initial dose if the response is inadequate
Amiodarone is an iodinated benzofuran derivative that was synthesized and tested as an antianginal agent in the 1960s but was later discovered to have antiarrhythmic properties
Adult
It is used to prevent and treat this condition in patients with kidney disease on dialysis
Intravenous amiodarone may be administered at half the dosage of oral amiodarone, assuming a bioavailability of Appendices > 03
Contraindications: hypersensitivity (including asthma, angioedema
Presence of CHD or at high risk for cardiovascular events, including patients with diabetes, PVD, history of stroke or General conversion formula: For each 10 mg/day PO, give 12
Dose reduction may be necessary for CYP450 interactions of side effect intolerance