HNHacker News
TopNewBestAskShowJobs

tgokh

194 karma · joined July 18, 2014

submissionscomments
tgokh··on Show HN: AutoMicroFarm Is Ready for Shipping
I don't know any of the details, but a pizza place in my town has an indoor aquaponic setup in their restaurant growing herbs.

Edit: http://www.pompieripizza.com/Pompieri_Pizza/Fish_Tanks.html

tgokh··on Coursera shuts access to old platform courses
Coursera actually converted a course I was enrolled in to paid-quizzes-only, while I was actively enrolled in the course and on the second to last week of eight. They finally converted it back after 2 days of many of us contacting support but never gave me a straight answer as to whether it was accidentally or intentional :-/ Definitely lost my faith in Coursera as a platform over these recent changes.
tgokh··on Planned GPS outages in southern California
> The mounting location for the sextant remains in current 747 designs since it was originally designed and certified with an installed sextant. The sextant (and all associated hardware) has long since been removed with the advent of multiple, highly reliable long-range navigation systems. When installed, there was no requirement to depressurize the aircraft.

http://www.airliners.net/aviation-forums/tech_ops/read.main/...

tgokh··on U.S. colleges ranked by number of affiliated Congressmembers
I have a feeling more SAIS alums end up in policy or foreign service jobs rather than pursuing politics.

Also, it's Johnssssssss =P

tgokh··on Show HN: Simple Postcard – Send a photo postcard from a text message
They're federal agents within the Postal Service.

Legally, you can't mail any "obscene, lewd, lascivious, indecent, filthy or vile article, matter, thing, device, or substance"

tgokh··on Doctors used an ER patient's FitBit data to justify electrical cardioversion
This is really cool! It sounds like you're trying to determine whether you can identify AF out of data that's complicated by poor recording quality and regular activity? Is your longer term goal/business model to use this as a diagnostic tool (i.e. replace a Holter monitor)?

And since you offered to answer questions, I have a somewhat niche one. I'm an MD/PhD student doing my research in computational electrophysiological modeling, and I'm getting interested in the idea of using machine learning in medicine, specifically in signals analysis (i.e. EKG), and in time-series analysis (like heart rate variability). I'm teaching myself machine learning via a fantastic UW Coursera series that covers the basics (regression, classification, clustering, etc) with good mathematical rigor, but I'm not really sure where to go from there. What techniques would you suggest I look at? Would learning something like TensorFlow (I know Google has put out a course on Udacity) be a good idea? Obviously at some point, I just need to find some small projects to jump in on, but I want to build a decent skillset first if I can. Any thoughts would be appreciated!

tgokh··on Show HN: Medical Research Summarizer – Complex research as simple summaries
Really interesting idea!

Are the summaries entirely free? If so, what's in it for the summarizers?

tgokh··on In Ecuador, the Frugal Traveler Tries Luxury
Sounds like he'll be writing a book and has been producing a video series http://sethkugel.com/14-and-a-half-months/
tgokh··on Problems Found at Theranos Lab
It doesn't. You can go online and pay less than $30 for these tests, then drive to one of Quest or LabCorp's locations to get the blood drawn.

I suspect that what UCSF is charging Theranos includes a substantial markup on the actual test cost + overhead.

tgokh··on An introduction to Machine Learning
This "Statistical Learning" course has just started on Stanford's online platform last week:

https://lagunita.stanford.edu/courses/HumanitiesSciences/Sta...

tgokh··on The assault on neurosurgeons’ privileges by software and bureaucrats
I have no idea what the actual number is, but I remember reading that Epic is in about 20% of hospitals. and in many/most academic centers. Given the number of people who've been seen in an academic center at least once (whether for their own birth, a consultation at some point in life, ER visit, etc), Epic systems likely have entries on a substantial portion of the population, though the amount of people they have complete medical records for is likely much smaller
tgokh··on Don't copy paste from a website to a terminal
My school gives undergrads one warning before kicking you out for academic dishonesty. However, we've been repeatedly reminded that graduate students know better and we'll get kicked out for a first instance of plagarism
tgokh··on CardioID Technologies – Pervasive heart signals
This is hugely important. EKG changes are common - drugs change the QT interval, heart disease and subacute ischemia can cause T wave changes, people can go in and out of atrial fibrillation or throw PVCs, etc. I'd be very impressed if you can reliably identify a user over a period of years using EKG traces.

Your use of EKG to determine "in-game focus", "driver fatigue" and workout quality is definitely interesting. Is there literature showing reliability of these measures from EKG readings and heart rate, or are you using other sensors in addition to EKG? You mentioned in another reply that your group has published papers on EKG biometrics - you should definitely link to or at least cite those on your website.

tgokh··on Request to econ and math people: solve the Delhi University admission problem
In 1995, the system was updated to make it applicant-friendly rather than hospital-friendly

https://en.wikipedia.org/wiki/National_Resident_Matching_Pro...

tgokh··on A Sea Change in Treating Heart Attacks
The technology exists -- see http://www.physio-control.com/ProductDetails.aspx?id=2147484... and http://www.zoll.com/medical-products/data-management/rescuen... from PhysioControl and Zoll, two of the biggest EMS EKG monitor manufacturers, but its certainly not easy to use. In my system, we used to have to upload the EKG to the computer and then "e-fax" it from he computer to the Emergency Department -- practically, this took 3-4 minutes to do, and when you're in an urban area and nearly always < 10 minutes from the hospital, its not the most productive use of time. Most of the time, if was easier to do the EKG, and in case of a STEMI, call the "code STEMI" via radio, print the EKG and spend the rest of the time doing important patient care (IV access, aspirin, etc)

That said, we were in a Paramedic system with a relatively short to-hospital drive time, and going to an academic medical center that had 24/7 in-house interventional cardiologists. If you're in a aystem with only EMT-Basics (who are trained to perform the EKG but cannot interpret the printout), or going to a hospital where the interventional cardiologists need to come in from home, or if your primary hospital doesn't even have a cath lab and will need to divert you to another bigger hospital, it makes a lot of sense to be able to send the EKG from the field and get the ball rolling early.

tgokh··on Racking Mac Pros
Definitely clicked the link thinking someone had rack mounted an army of MacBook Pros
tgokh··on Ways to manage conflicts with cops in a medical emergency
I volunteer in EMS and I've only once encountered a similar situation where the police officer disagreed with our judgment to transport a patient, but before I could even grab my medic, the cop got chewed out by his sergeant.

I have run across a couple police officers wanting to clear lanes of traffic on the highway faster than we were comfortable with (when responding to a car accident), but our first responders (fire department, usually dispatched to most car accidents to provide initial medical care, extrication, scene protection etc) have always been good with maintaining scene safety.

tgokh··on Notable Labs (YC W15): Personalized Medical Testing for Brain Cancer Patients
If you're using mouse models to confirm cell culture results, roughly how long does it take to go from receiving the tissue sample to sending out a report to the patient's physician?

What type of responses to your reports have you gotten from practicing oncologists?

tgokh··on Show HN: Ghostnote – Contextual notes and todo app
And for files/folders, maybe have the icon change to reflect that there's a note attached (in the same way Dropbox modifies icons).

I think it's a great tool but I worry I would just forget where I had attached my note: to the root folder for a project, to one of the many project files etc

tgokh··on Mailbox, from Dropbox (plus 1 GB of space to your Dropbox)
Awesome thanks! I just got notified that nearly 50% of my current capacity is getting revoked because the giveaway from the college Space Race promotion was only for a limited time, so the extra gig is helpful! (And I'll try out Mailbox too, I guess...)
tgokh··on Show HN: Health Scout – An app I wrote for a mother traveling with a sick child
As a medical student and EMS provider, I agree with all of the above except "In some hospitals, they won't even begin to treat you". Unless you end up at the rare hospital that doesn't accept Medicare, the ED's are required (by EMTALA) to provide a screening examination and treat any patient with an emergency medical condition. For example, any ED should be able to provide you initial care if you're complaining of chest pain (EKG, Chest X-Ray, Nitroglycerin, Aspirin etc). That said, if you're actually having a cardiac event, you'll need to be at a cardiac center to actually get definitive treatment, so the smaller outlying hospital will call an ambulance to transport you to the appropriate facility.
tgokh··on Online Storage Provider Box Prices I.P.O. at $14 a Share
My university and hospital system recently rolled out Box across the whole institution. I think the major difference is that Box is willing to sign a Business Associate Agreement and ensure compliance with HIPAA standards. My understanding is that Dropbox has been unwilling to negotiate and sign BAAs, so the service can't be used for sensitive information without huge risk. At least at our institution, we can store deidentified research data on Box, and there are options available for storing Protected Health Information as well (though it requires going through our Information Security office)
tgokh··on Show HN: Aptible – Deployment platform to automate HIPAA compliance
If you're referring to what the providers use for patient documentation, billing etc, there's a slew of apps out there that unfortunately don't talk to each other in much of a meaningful way without a lot of work. Beyond the big EMR companies (Epic, Cerner, Allscripts, Siemens, etc -- what you'll see at academic centers and medium-large hospitals), there are tons of companies that have come out with medical record software for individual clinics (i.e. a couple dicots in a practice not owned by or affiliated with a major medical center) and much of it is often marketed in a niche way
tgokh··on Thanks, HN: You helped discover a disease and save lives
I'd love to help as well. I'm an MD/PhD student at one of the institutions in the story, and I've done a lot of freelance development (design, not so much..) work, primarily in PHP.
← PreviousPage 2 of 2