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{{#Regex_clear:On Wednesday July 20, 2005 … {{#Regex_clear:On Wednesday July 20, 2005 it was discovered, during a routine audit of the Nuclear Medicine records, that two patients were administered I-131 in amounts exceeding 30 microcuries without a written directive. Furthermore, the doses fell more than 20% outside the prescribed dose range as set by the Authorized User (AU) physician. Below I will discuss the particulars of each administration.</br>1. Patient #1: 25 year old female was administered 31 �Ci of I-131 Sodium Iodide (Nal) on 18 July 2005 without a written directive prepared or signed by the AU previous to administration. The purpose of the study was to ascertain the thyroid uptake fraction and image the thyroid tissue. The prescribed does range, as set by the AU, was 8 to18 microcuries. This dose was 72% higher than the maximum dose allowed by the AU for this diagnostic procedure. (The patient's actual 24-hour thyroid uptake fraction was 27.5%).</br>2. Patient #2: 61 year old female was administered 42 �Ci of I-131 Nal on 14 July, 2005 without a written directive prepared or signed by the AU previous to administration. The purpose of the study was to ascertain the thyroid uptake fraction and image the thyroid tissue. This dose was 133% higher than the maximum dose allowed by the AU for this diagnostic procedure. (The patient's actual 24-hour uptake fraction was 14%).</br>Dose Estimates From These Procedures</br>1. Patient #1: Using data found in NUREG CR-6435 "Radiation Dose Estimated from Radiopharmaceuticals" we estimate the following doses for the (a) Whole Body: 1.209 rem, and (b) Thyroid (target organ) 40.3 rad</br>2. Patient #2: Using data from NUREG CR-6345 and from other sources we estimate the following dose for the (a) Whole Body: 1.638 rem, and (b) Thyroid: 17.6 rad. }}: 1.638 rem, and (b) Thyroid: 17.6 rad. }} +
15:00:00, 20 July 2005 +
41,860 +
14:30:00, 21 July 2005 +
15:00:00, 20 July 2005 +
{{#Regex_clear:On Wednesday July 20, 2005 … {{#Regex_clear:On Wednesday July 20, 2005 it was discovered, during a routine audit of the Nuclear Medicine records, that two patients were administered I-131 in amounts exceeding 30 microcuries without a written directive. Furthermore, the doses fell more than 20% outside the prescribed dose range as set by the Authorized User (AU) physician. Below I will discuss the particulars of each administration.</br>1. Patient #1: 25 year old female was administered 31 �Ci of I-131 Sodium Iodide (Nal) on 18 July 2005 without a written directive prepared or signed by the AU previous to administration. The purpose of the study was to ascertain the thyroid uptake fraction and image the thyroid tissue. The prescribed does range, as set by the AU, was 8 to18 microcuries. This dose was 72% higher than the maximum dose allowed by the AU for this diagnostic procedure. (The patient's actual 24-hour thyroid uptake fraction was 27.5%).</br>2. Patient #2: 61 year old female was administered 42 �Ci of I-131 Nal on 14 July, 2005 without a written directive prepared or signed by the AU previous to administration. The purpose of the study was to ascertain the thyroid uptake fraction and image the thyroid tissue. This dose was 133% higher than the maximum dose allowed by the AU for this diagnostic procedure. (The patient's actual 24-hour uptake fraction was 14%).</br>Dose Estimates From These Procedures</br>1. Patient #1: Using data found in NUREG CR-6435 "Radiation Dose Estimated from Radiopharmaceuticals" we estimate the following doses for the (a) Whole Body: 1.209 rem, and (b) Thyroid (target organ) 40.3 rad</br>2. Patient #2: Using data from NUREG CR-6345 and from other sources we estimate the following dose for the (a) Whole Body: 1.638 rem, and (b) Thyroid: 17.6 rad. }}: 1.638 rem, and (b) Thyroid: 17.6 rad. }} +
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00:00:00, 21 July 2005 +
45-19057-01 +
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22:40:32, 24 September 2017 +
14:30:00, 21 July 2005 +
0.979 d (23.5 hours, 0.14 weeks, 0.0322 months) +
15:00:00, 20 July 2005 +
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