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HSTeChart Mobile Device Hardware Compatibility Guide

Why Full Disk Encryption?

If a tablet or laptop is lost or stolen, but is password protected, various mechanisms exist to bypass the login screen and directly access data stored on the disk. Although HSTpathways does not intentionally use the local storage on the device to store Protected Health Information, the data may be saved there none the less. For example, a user may take photographs of the patient or incision site, upload them to HSTeChart, and fail to delete the images from the device. Full disk encryption protects against HIPAA violation risks that can result from lost and stolen devices by encrypting the device and the data stored on the device disk.

Recommended Hardware

There are lots of devices that meet the general requirement listed above, but not all devices will provide the same level of responsiveness needed by users. Since the list of manufactures, device models and configurations are constantly changing, HST has opted to use the Geek Bench CPU Score (GBS) as a rating mechanism. To use the information below:
  • Look up the GBS score for your device (either your current device or one you are planning on buying),
  • Locate the row in the table for the desired "Type of use" (Demanding/Standard/Lite),
  • Compare the numbers: if the GBS Score for your device is about the same as or larger than the score shown in the table, then the device should be adequate for your needs.
  • If you already have the device and are having trouble looking it up, you can measure its score on the Geek Bench web site: Scores for some common devices are listed below.

The workflows are divided into 3 categories:

  • Demanding: this includes anesthesia and intra-op workflows where the users are taking advantage of the full functionality of eChart. For Demanding use, a device like a new iPad Pro (11 inch) or a Surface Pro 7 or 6 is required.
  • Standard: this includes pre-op, PACU, and post-op. For Standard use, an iPad Air (3rd generation) will work.
  • Lite: includes registration and patient communication. For Lite use, a Surface Go 2 or a standard iPad will work.

Recommended Hardware:

Type of useGBS Score  
Lite duty1500 or aboveregistraton, preop or postop calls 
Standard2500 or abovepreop/pacu/postop 
Demanding4000 or aboveanesthesia/intraop 

GBS Scores of common devices:

DeviceGBS Score  
Surface Pro 31300Intel Core i5-4300U 1896 MHz (2 cores)for reference
Surface Go 21500Intel Core m3-8100Y 1596 MHz (2 cores)$400
Surface Pro 63400Intel Core i5-8250U 1796 MHz (4 cores)$800
Surface Pro 74300Intel Core i5-1035G4 1496 MHz (4 cores)$1,200
iPad Pro 9.7"1200Apple A9X 2260 MHz (2 cores)for reference
iPad Pro 10.5"2300Apple A10X Fusion 2340 MHz (3 cores)for reference
iPad Air (3rd generation)2800Apple A12 Bionic 2490 MHz (6 cores)$500
iPad Pro 11"4600Apple A12X Bionic 2490 MHz (8 cores)$1,100

Measured eChart performance

Test conditions: eChart 2.1.4, device with a GBS* score of 2250,
an anesthesia workflow with 44-BLOCs, patient montor data of 100 observations,
total data size 90KB compressed, measured internet download speed*** 90Mbps
Stage I: Fetching of resources and data for chart
with 40 blocs and 90KB (compressed) of data
1s8s user wait time 
Stage II: Rendering in browser (cpu intensive).
At the end of this stage, workflow is operational and user can start charting.
7s8s user wait time 
Stage III: Background data refresh - aka Self-Refresh.
User are largely unaffected and unaware of this stage.

  • *GBS = GeekBench CPU Score
  • **customers can test their current devices at
  • ***customers can test their internet speed at [choose Birmingham, AL server]