Data flows are nouns data not verbs actions no data

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- Data flows are nouns (data) not verbs (actions) - No data stores in process 0 revealed on context level. - Calendar may be viewed as additional sink depending on perspective… Patient info
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72 Physician Patient 1.0 Take Patient Info 2.0 Enter Patient Info Into PC 3.0 Verify Patient Identity 4.0 Process Request D4 On-line Calendar D3 Dr.’s Watches D2 Patient or doctor DB Patient Info Written Patient Info Current Pat. Info Official Pat. Info. Medical Request Confirmation New Appt. Page Verified Patient Info Patient Match Level 1 decomp? Post-it D1 Written Patient Info How is this updated?
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73 - Case of the disappearing physician! - Preserve details, use the same labels. - No source/sinks mid-process (e.g., Sunita). - Data stores cannot make decisions or transform data. - Post-it note can be viewed as a data store. - Physician calling patient is outside scope of answering service system. - Integration of 911 / emergency handling, viewed as error & exposed at lower level. - Flexible handling of calendar/PDA, not really enough data to fully understand.
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74 Physician Patient 1.0 Take Patient Info 2.0 Enter Patient Info Into PC 3.0 Verify Patient Identity 4.0 Process Request D3 On-line Calendar D3 Dr.’s Watches D2 Patient or doctor DB Patient Info Written Patient Info Current Pat. Info. Official Pat. Info. Medical Request Confirmation New Appt. Page Verified Patient Info Patient Match Level 1 decomp? Post-it D1 Written Patient Info - Remove this redundant, error-prone step. Enter data directly into PC. - Other correct (and creative!) suggestions accepted. Level 1 decomp?
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75 - Remove manual written step, type directly into PC. - Emergency handling, check first before collect patient information. - ID code or SSN to decrease repetitive data entry tasks. - Voice mail prelude. - ~ Automate it all. - ~ Give more information to the doctors office.
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“The pharmacy at Mercy Hospital fills medical prescriptions for all patients and distributes these medications to the nurse stations responsible for the patient’s care. Medical prescriptions are written by doctors and sent to the pharmacy. A pharmacy technician reviews the prescriptions and sends them to the appropriate pharmacy station. Prescriptions for drugs that must be formulated (made on-site) are sent to the lab station, prescriptions for off-the-shelf drugs are sent to the shelving station, and prescriptions for narcotics are sent to the secure station. At each station, a pharmacist reviews the order, checks the patient’s file to determine the appropriateness of the prescriptions, and fills the order if the dosage is at a safe level and it will not negatively interact with the other medications or allergies indicated in the patient’s file. If the pharmacist does not fill the order, the prescribing doctor is contacted to discuss the situation. In this case, the order may ultimately be filled or the doctor may write another prescription depending on the outcome of the discussion. Once filled, a prescription label is generated listing the patient’s name, the drug type and dosage, an expiration date, and any special instructions. The label is placed on the drug container and the orders are sent to
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