For the homework, you need to do the three things listed on the syllabus:
"If a patient is older than 18 and weighs less than 40, or if a patient is younger than 5 and weighs less than 15, print "Measure the arm". "
Write a processing "sketch" that accomplishes the above problem by looking at an age and weight variable and printing out the correct result.
The following pages can help:
Processing. What it is and how to get it:
Practice. What you need to know to start being a programmer:
So, I'm stuck here in Heathrow instead of being on a plane back home. Ethiopian Airlines screws me again. They took about an hour longer than they had to to get out of the gate. What was announced as a "mechanical problem" turns out to have been a misalignment between the plane and the jetway. In other words, they didn't park the plane right. Awesome.
Now I'm just killing time here in Terminal 4, rocking out on the N800 and the BlueTooth keyboard. I've hit a few UI snags, but, on the whole, it's nice. Nothing quite like having a laptop that fits in your pocket. I'm considering using this as my class notetaking tool. Beats hauling around the Death Star just to type things up. No good mind-mapping software yet, though. I probably should just suck it up and write some of my own.
Just a very brief video message from me here in Malawi.
A great amount of work got done thanks to the help of everyone here. Below is the latest prototype. It's printed on paper, but another version is making the rounds that was printed on indestructible HP LaserJet tough paper, a kind of polyester film available in consumer sizes.
I was also able to get the ART system up and running for the AIDS clinics. Based on the observations we made earlier in the week, I was able to hack into the Ruby on Rails app and get it to work along with the bar-code scanner. Now MUAC data goes straight into the database--a full prototype system, working end to end! Sweet! And it works pretty much as expected (minus bar-code reader) on my touchscreen Nokia internet tablet.
So, next week is testing and observations. That should give me ample time to make adjustments before heading back to the states.
So, I had a good day at the Martin Preuss clinic with the programmers from Baobab. We went for them to interview the stakeholders of the system they've put in place at this combined HIV and outpatient TB center. That was very interesting and gave me some great insights into how the system functions overall.
Then we stopped by the office of one of the nurses, Jane, and Mike McKay helped me out by asking some questions about how Mid-Upper Arm Circumference is tested and why. Some results:
MUAC is measured in the HIV/AIDS clinic on:
The MUAC determines the nutrition status.
For children 1 to 5 the ranges are:
For pregnant or lactating women:
These patients have their MUAC taken every time they come in.
We then went to the vitals station to see how this was measured. The band used has markings between 7 and 30.5 cm.
There is only one of these and it is made of flexible plastic, maybe 5 mil or slightly more in thickness.
At the station, I found:
This leads me to three tentative assumptions:
I am going to try and sit in on a clinician taking these measurements over the next few days and actually watch the station at work. If I can get good observations of the movements and timings involved, I could use that data as a baseline to judge the new work.
I guess you could say today was a good day.
I'm back in the warm heart of Africa as of two days ago. After recovering from the trip yesterday (which was a national holiday, too) I'm in the Baobab offices fooling with some of the newer ScanBand prototypes.
Since I'll only have Wi-Fi part of the time, my main blogging channel will again be twitter, the feed for which will shown at the top of the homepage until I get back.
Pretty interesting stuff going down here right now. Just an hour or two before I landed, Malawi dropped ties with Taiwan in favor of China. In the long run, it looks like the best financial situation for Malawi, which could receive $6 billion in aid (as opposed to a relatively much smaller amount from Taiwan). In the near term, though, the Taiwanese are pulling out fast, and that could leave clinics run by them in serious disarray until everything stabilizes. This will be a very difficult situation in the next weeks and months for the health-care sector.
Anyway, I'm staying as a guest in an awesome house here. My roommate is William Kamkwamba, known widely for his homemade windmill. He just got back from the US, too, and started school this morning. Wish him good luck!
That's the scoop for now. It's going to be a very busy 10 days, but I'm very glad and very grateful to be back here.
Tracy generously volunteered to be my patient for the demonstration of the ScanBand arm and waist prototype during my thesis presentation for the end of this semester:
For my next trick, I'm modifying a SECA 800 medical scale with a SECA 220 height bar attachment. The measuring surfaces of the scale and bar will be covered or pegged to a scannable strip that represents the specific axis of measurement. I am going to encode the data of the fine and gross weight adjustments, as well as the height bar, so that the measurements coming off of the bar are unique. That way, the receiving system will not confuse a measurement taken from the fine weight measure with a gross weight or height measure.
Copyright Mike Edwards 2006-2009. All content available under the Creative Commons Attribution ShareAlike license, unless otherwise noted.