Safe Prescribing Flashcards
Define medicines reconciliation
Process ensuring all medication patient is taken is correctly documented on admission and at each transfer care (admission and discharge to and from each health care setting)
What does medication history taking allow?
- prescription of usual medication clearly and accurately according to drug chart without delays or omissions
- identify medicated related issues contributing to admission
- identify other medications needed
Steps of medication history taking
- collect info with most recent and accurate sources
- check/verify new prescription with initial inpatient one and follow up discrepancies
- communicate history and action taken, omission and discrepancies
3 stages of medicine reconciliation
- admission
- post admission verification
- discharge
Sources of prescription info
Patient Patient's own drugs Summary Care Records Carer/Nursing or Residential Home GP surgery GP referral letters Previous discharge summary Community pharmacy Prescription from another hospital Repeat prescription list
3 sections of the BNF
- guidance on prescribing (palliative care and emergency care on poisoning)
- individual therapeutic areas, monographs
- appendices (interactions)
What does a monograph contain?
- A drugs dosing info
- details on indication for use
Why may dosing info differ?
- different doses for diff licensed indications and some uses are unlicensed
- different formulations used as different bioavailability
- modified release prep to allow less frequent dosing
Define pharmacodynamic interaction
When 2 drugs have additive or antagonistic pharmacological effects, predictable interactions
Define pharmacokinetic interaction
When drug increases or decreases amount of another drug available in body by affecting absorption/distribution/metabolism/excretion of other drug
What is the main source for prescribing?
BNF!!!
If cannot find - consult ward pharmacist or medicines information department
What are the 3 stages in which prescription errors can occur?
- prescribing
- dispensing
- administration
What is a prescription error?
When result of prescribing decision/writing results in unintentional but significant reduction in probability of treatment being timely and effective or there is increased risk of harm compared with generally accepted practice
What are the 2 main error types?
1) slips and lapses (actions do not go according to plan)
2) mistakes (plan itself is wrong)
What factors can cause error?
- inadequate knowledge of patient and clinical status
- inadequate drug knowledge
- calculation errors
- illegible handwriting
- drug name confusion
- poor history taking
- fatigue and workload can contribute to slips and lapses