I prefer you to upload your file in a .docx format – but if you don’t have MS Wo I prefer you to upload your file in a .docx format – but if you don’t have MS Word- please convert the file to PDF and upload.

I prefer you to upload your file in a .docx format – but if you don’t have MS Wo
I prefer you to upload your file in a .docx format – but if you don’t have MS Word- please convert the file to PDF and upload.

Refer to the Case Study Rubrics for more detailed criteria
Please note that the requirement here is to write a 2 – 3 (750 – 1000 words) page paper. Be sure to include at least two reference sources. APA rules for formatting, quoting, paraphrasing, citing, and listing of sources are to be followed.

ST. LUKE’S HEALTH CARE SYSTEM
Hospitals have been some of the earliest adopters of wireless local area networks (WLANs). The clinician user population is typically mobile and spread out across a number of buildings, with a need to enter and access data in real time. St. Luke’s Episcopal Health System in Houston, Texas (www.stlukestexas.com) is a good example of a hospital that has made effective use wireless technologies to streamline clinical work processes. Their wireless network is distributed throughout several hospital buildings and is used in many different applications. The majority of the St. Luke’s staff uses wireless devices to access data in real-time, 24 hours a day. Examples include the following:
• Diagnosing patients and charting their progress: Doctors and nurses use wireless laptops and tablet PCs to track and chart patient care data.
• Prescriptions: Medications are dispensed from a cart that is wheeled from room to room. Clinician uses a wireless scanner to scan the patient’s ID bracelet. If a prescription order has been changed or cancelled, the clinician will know immediately because the mobile device displays current patient data.

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Critical care units: These areas use the WLAN because running hard wires would mean moving ceiling panels. The dust and microbes that such work stirs up would pose a threat to patients.

Case management: The case managers in the Utilization Management Department use the WLAN to document patient reviews, insurance calls/authorization information, and denial information. The wireless session enables real time access to information that ensures the correct level of care for a patient and/or timely discharge.

Blood management: Blood management is a complex process that involves monitoring both patients and blood products during all stages of a treatment process. To ensure that blood products and patients are matched correctly, St. Luke’s uses a wireless bar code scanning process that involves scanning both patient and blood product bar codes during the infusion process. This enables clinicians to confirm patient and blood product identification before proceeding with treatment.

Nutrition and diet: Dietary service representatives collect patient menus at each nursing unit and enter them as they go. This allows more menus to be submitted before the cutoff time, giving more patients more choice. The dietitian can also see current patient information, such as supplement or tube feeding data, and view what the patient actually received for a certain meal.

Mobile x-ray and neurologic units: St. Luke’s has implemented the wireless network infrastructure necessary to enable doctors and clinicians to use mobile x-ray and neurologic scanning units. This makes it possible to take x-rays or to perform neurological studies in patient rooms. This minimizes the need to schedule patients for neurology or radiology lab visits. The mobile units also enable equipment to be brought to the bedside of patients that cannot be easily moved. The wireless neurology and x-ray units have also helped to reduce the time between diagnosis and the beginning patient care.

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Original WLAN
St. Luke’s first WLAN was deployed in January 1998 and made the hospital an early pioneer in wireless health care applications. St. Luke’s first wireless LAN was implemented in a single building using access points (APs) made by Proxim (www.proxim.com).
A principal goal of this initial installation was to improve efficiency. However, sometimes the WLAN had the opposite effect. The main problem was dropped connections. As a user moved about the building, there was a tendency for the WLAN to drop the connection rather than performing the desired handoff to another access point. As a result, a user had to reestablish the connection, log into the application again, and reenter whatever data might have been lost.
There were physical problems as well. The walls in part of the building were constructed around chicken wire, which interfered with radio waves. Some patients’ rooms were located in pockets with weak radio signals. For these rooms, a nurse or doctor would sometimes lose a connection and have to step out into the hallway to reconnect. Microwave ovens in the kitchenettes on each floor were also a source of interference.
Finally, as more users were added to the system, the Proxim APs, with a capacity of 1.2 Mbps, became increasingly inadequate, causing ongoing performance issues.
Enhanced LAN

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