#SCCT2021 "Chance Favors the Prepared: Exam Prep & Safety" #YesCCT Rad to the 🦴(🫁 🫀) by Dr. Andrew Einstein @AndrewEinstein7 @CU_Cardiology
🧵:
#SCCT2021 #YesCCT
1) Dosimetry
☢️effects: Deterministic & Stochastic
Deterministic (AKA tissue reactions): rad-induced cell☠️, practical threshold dose, severity ⬆️w/ dose
Stochastic: rad-induced mutations, risk proport to dose (@ low doses), typical effects in DX imaging
#SCCT2021 #YesCCT
2) Dose
- Absorbed: average E imparted to matter vol by ionizing☢️/ mass of matter in vol
- wR:🧬effect of given absorb. dose based on type/quality of☢️emitted
- Equivalent = Absorbed✖️wR
- wT: prob of stochastic effects of equiv. dose based on tissue irradiatd
#SCCT2021 #YesCCT
3) Dose cont'd
- Weighted Equivalent = Equivalent✖️wT
- Effective = sum of Weighted Equivalent doses
- for CT: DLP = volume CTDI✖️length irradiated
- traditional: Effective = DLP✖️conversion factor (0.014), but...
#SCCT2021 #YesCCT
4) Is k-factor of 0.014 invoked in older guidelines outdated?
- in contemp studies using modern dosimeters & physical anthropomorphic phantoms, k-factors ranged 0.020-0.043
- as of 2018, for adult CT exams confined to 🫀, average k-factor ought to be 0.026
#SCCT2021 #YesCCT
5) Effective doses remain variable and high, and thus there remains ongoing push to keep bringing doses down further

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More from @DavidJHur1

17 Jul
#SCCT2021 "Chance Favors the Prepared: Exam Prep & Safety" #YesCCT All in due process by Dr. Quynh Truong @cardioQT @WeillCornell
🧵
#SCCT2021 #YesCCT
1) QA/QI is a team effort: rads, cards, physicist, technologist
- quality control of equipment
- image acquisition: radiation ALARA, "right protocol, right dose - right patient"
- image interpretation: inter-reader agreement, correlation to cor angio/surg/path
#SCCT2021 #YesCCT
2) QC of🍩scanner:
model specs, test reports, maintenance logs, radiation exposure
Read 4 tweets
17 Jul
#SCCT2021 "Chance Favors the Prepared: Exam Prep & Safety" #YesCCT We need to talk by Dr. Jill Jacobs @nyulangone
🧵:
#SCCT2021 #YesCCT
1) Information Transfer & Direct Lines of Communication are 🗝️🔑
#SCCT2021 #YesCCT
2) Info for 👩‍🔬👩‍⚕️👨‍🔬👨‍⚕️:
- having dedicated info page useful/helps
- tips on maneuvering preauthorization
- where to direct ?'s
- contact info
Read 9 tweets
17 Jul
#SCCT2021 "Chance Favors the Prepared: Exam Prep & Safety" #YesCCT Why you gotta be so complicated? by Dr. Christopher Maroules @ChrisMaroules
🧵:
#SCCT2021 #YesCCT
1) Always consider the risk:benefit ratio
#SCCT2021 #YesCCT
2) Anticipating and managing adverse rxns to medications
Read 5 tweets
18 Jul 20
#SCCT2020: Lead & Not Just Read
Chaired by Drs. @appropriateuse & @FiRSTSCCT Chair-Elect @Nidhi_Madan9
[Thread]
@appropriateuse @FiRSTSCCT @Nidhi_Madan9 1/@RonBlankstein's advice to Trainees/Early Career:
-get good at what you do
-invest in your training
-multimodality
-work hard but maintain wellness
-read/stay updated
-research
-local champion
-communicate
-educate
-invest in techs
-dont be afraid to ask
-@Heart_SCCT community
@appropriateuse @FiRSTSCCT @Nidhi_Madan9 @RonBlankstein @Heart_SCCT 2/@ToddVillinesMD's advice in publishing in #YesCCT:
- compelling hypothesis - novelty, priority, educational, impactful
-✍️effectively - include limitations
- avoid common author pitfalls
- practice becoming a better peer-reviewer
- consider submission to @journalCCT
Read 8 tweets

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