MRSO (Magnetic Resonance Safety Officer) Prep
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Terms in this set (144)
1 mT = _______________ Gauss 1/1,000 T (or 10 (-3) T) = 10 G
1 Tesla = ______________ Gauss 1 Tesla = 1000 gauss
1 T/m = ______ g/cm 100 g/cm
,3 types of metals Austinitic, Martenitic, Ferritic
5 G = ___ mT 5 G = 0.5 mT
100 W-min/kg (6000 J/kg) SED limit for patients with thermal regulation
compromise - may suffer physiological stress or
tissue damage. 25 min continuous scanning at 4
W/kg (1st Level Controlled)
50 min continuous scanning at 2 W/kg (Normal
Mode)
240 W-min/kg (14440 J/kg)* Research shows that this level will produce a
temperature rise to 430 C (1090 F) above which
patient with normal thermal regulation may
suffer tissue damage
1 Hr continuous scanning at 4 W/kg (1st Level
Controlled)
2 Hr continuous scanning at 2 W/kg (Normal Mode)
, . "All patients who have a history of orbit trauma by
a potential ferromagnetic foreign body for which
ACR Guidelines for orbit screening: they sought medical attention are to have their
orbits cleared by either plain X-ray orbit films
(2 views) or by a radiologist's review and
assessment of contiguous cut prior CT or MR
images (obtained since the suspected traumatic
event) if available."
ACR Guidance on MR Safe Practice
Pg 6
ACR - MRI Safety during pregnancy Can be accepted at any stage of pregnancy. Level 2-
designated attending radiologist to confer with
ordering physician and determine that the risk-vs-
benefit ratio to the patient warrants the study
ACR states informed consent in is not required.
pregnant patients is / is not required
EXAM (Latest Updated 2026 Questions and
Answers) GUARANTEED PASS 100%
Save
Terms in this set (144)
1 mT = _______________ Gauss 1/1,000 T (or 10 (-3) T) = 10 G
1 Tesla = ______________ Gauss 1 Tesla = 1000 gauss
1 T/m = ______ g/cm 100 g/cm
,3 types of metals Austinitic, Martenitic, Ferritic
5 G = ___ mT 5 G = 0.5 mT
100 W-min/kg (6000 J/kg) SED limit for patients with thermal regulation
compromise - may suffer physiological stress or
tissue damage. 25 min continuous scanning at 4
W/kg (1st Level Controlled)
50 min continuous scanning at 2 W/kg (Normal
Mode)
240 W-min/kg (14440 J/kg)* Research shows that this level will produce a
temperature rise to 430 C (1090 F) above which
patient with normal thermal regulation may
suffer tissue damage
1 Hr continuous scanning at 4 W/kg (1st Level
Controlled)
2 Hr continuous scanning at 2 W/kg (Normal Mode)
, . "All patients who have a history of orbit trauma by
a potential ferromagnetic foreign body for which
ACR Guidelines for orbit screening: they sought medical attention are to have their
orbits cleared by either plain X-ray orbit films
(2 views) or by a radiologist's review and
assessment of contiguous cut prior CT or MR
images (obtained since the suspected traumatic
event) if available."
ACR Guidance on MR Safe Practice
Pg 6
ACR - MRI Safety during pregnancy Can be accepted at any stage of pregnancy. Level 2-
designated attending radiologist to confer with
ordering physician and determine that the risk-vs-
benefit ratio to the patient warrants the study
ACR states informed consent in is not required.
pregnant patients is / is not required
