2016 Risk Course Book

St. Vincent’s Hospital, U.S.A. (2005)

Database

TPS

User

Transactions in sequential order

Actual fluence

Actual fluence

DRR

MLC

DRR

MLC

Completed treatment planning

Missing

Missing

Missing

Present

Present

Present

Save all...

First save attempt

Ok/committed Failed

Save changes before application aborts?

Missing

Present

Partial

Yes

Second save attempt

Transaction locked

Software freezes

Missing

Present

Partial

Manual abort

Returning database to last valid state

Roll-back

Missing

Present

Missing

Review of plan on another workstation

Missing

Missing

Present