Safety Flashcards
What do WFUMB guidelines say about obstretic 11-14 week dating scan?
No routine Doppler
TI <= 1
5-10 min exposure normal
60 minute exposure lim
What does WFUMB guidelines say about CEUS in echocardiography?
Can cause premature ventricular contractions => do not scan acute coronary syndrome with CA.
What do WFUMB guidelines say about CA use prior to ESWL?
Don’t use it for 24 h
What do WFUMB guidelines say about non-medical use of US?
Fetal imaging for souvenirs not recommended, but souvenirs can be taken from diagnostic exam.
TI<0.7, MI<0.3
What do BMUS guidelines say about safe temperature rises?
1.5 degree rise ok
4+ degrees may be damaging to fetus
What are BMUS TI recommendations for general scanning?
TI<1 recommended
TI<6 limit
What are the AUIM MI limits for observed haemorrhage in lab animals for lung and intestines respectively?
MI >0.4 lung
MI>1.4 intestine
What is the BMUS MI guidance for neonatal scanning of lung and intestines?
MI<0.3 (conservative approach based on AIUM lab animal evidence)
What is the BMUS guidance for MI when scanning with CA?
MI<0.7
