40 minutes
Approximately 40 minutes per image.
Contraindicated
Stopped 24 hours
See table below. Kindly have your clinician speak directly with Nuclear Physician for full preparation.
Recent TFT’s required.
Low iodine diet. Bring a snack for duration of study.
Required.
Patient is encouraged to drink water prior and during study
| Adrenocorticosteroids 1 week | Bromides 1 week |
| Butazolidine 1 week | Mercurials 1 week |
| Methimazole (Tapazole) 1 week | Nitrates 1 week |
| Perchlorate 1 week | Propylthiouracil 1 week |
| Salicylates (large doses) 1 week | Sulfonamides 1 week |
| Thiocyanate 1 week | Tri-iodothyronine (Cytomel) 2 to 3 weeks |
| Thyroid extract (Synthroid, Proloid) 4 weeks | Iodine solution (Lugol’s or SSKI**) 4 weeks |
| Iodine-containing antiseptics 4weeks | Kelp 4 weeks |
| Some cough medicines and vitamin preparations 4 weeks | Intravenous contrast agents 1 to 2 months |
| Oil-based iodinated contrast agents 3 to 6 months | Amiodarone 3 to 6 months |