Around 1989, Steven Schueler started working on a computer program that could perform symptom triage. The intent was to create something that patients could use to safely decide what to do when they were sick. In 1990, his company DSHI Systems released “Home Medical Advisor” on a floppy disk. Later it was issued on CD-ROM’s, and claims to have sold over 2 million copies over the years. A major win for DSHI since 1999 has been its adoption by the Veterans Health Administration (VHA) as the Veterans Health Gateway (VHG). VHG provides over 300 symptom/condition-based triage algorithms and related patient education information and is used by VHA nurses to provide health advice via the telephone.

FreeMD is the free online version of the same underlying triage application. It  uses video to conduct the interview, ask questions and then generates a custom web page that contains care instructions and suggested next steps. I tested it with a few hypothetical cases (from benign nose bleed to serious UTI) and it seemed to do fine for basic diagnosis. With vague complaints like diffuse abdominal pain and vomiting, it stayed roughly in the right categories at a high-level (appendicitis, pancreatitis, kidney stones, gallbladder disease, intestinal obstruction).

Is the underlying logic based on hierarchical structured programming or a more sophisticated expert system with forward and backward chaining algorithms? I don’t know. My interest in FreeMD spiked when I saw the 100K+ unique visitors/month statistic. They are consistently generating a lot of traffic, so there’s got to be fairly comprehensive content and at least some utility in the service. My personal impression is that as a patient-oriented triage tool, it does well. Of course, provider-oriented decision support is tougher and I don’t expect it to hold up like Mcyin or DXplain.

I’m also intrigued why DSHI systems chose to make their application available for free, when the revenue model seems to be based on licensing/co-branding with partners. I was half-expecting to see a feedback loop on FreeMD (like “Was this the right diagnosis? Let us know”) since one of the major reasons for open-sourcing anything is to leverage wisdom of crowds. But there isn’t anything like that, so maybe its all about gaining awareness and marketing the application.

Update: Connected with Dr. Steven Schueler after writing this post. He correctly identified that FreeMD is a triage system, so its a bit unfair to compare it with diagnostic decision support systems like Mycin/DXplain.

Here is a half-baked idea that adds another data point to my rant about how keeping a record of health-related activities is useful, and how web 2.0 technologies can help enable such a record. Bedpost is a web application (currently in private beta) that helps in keeping track of user’s sex life. I’ve not used the site myself, but they claim simple functionality- log in after the fact and fill in some fields about it. Thankfully, they also claim ‘zero social networking’ functionality to keep things private.

Sure all this can be a simple iPhone app (maybe there is already one out there) or even a one-line cryptic entry in your google calendar. My point is not to critique the utility of an independent website to track one’s sex life. I’m reflecting on the overall trend of niche health and wellness ‘trackers’ (read my previous posts about FitBit, Proactive Sleep, ZeaLog, Qwitter). Given the myriad sexual disorders (e.g. Erectile Dysfunction) and their probable causes, an application like this could provide rich history for clinicians. Overall, it underscores the importance of web 2.0 technologies in enabling consumers to keep granular, accurate health records.

RememberItNow is an online medication reminder service. Once you enter the pill information (what, when) it can send email/text reminder messages at the right time. Also included are some features around access control , scheduling, charting, journal etc.

The site was inspired by a true story, and I agree that we can do better by utilizing web technology for medication adherence. But I’m not sure if there is a need for a devoted web service just around medication reminders. They are currently in beta so all services are free, but looks like they will offer paid accounts once they are out of beta.

Reminder functionality is best served as a part of a bigger PHR platform (like Google Health) and in most cases, there are generic substitutes available. For example, why not use 30Boxes or Reqall or even your Google Calendar instead of paying monthly subscription? All of these are capable of sending reminders at a preset time. Medication reminders is an important issue, but emails/text is not going to be the complete answer imho. Especially given the fact that most of the people having trouble remembering are in an age group where emails/text are not the choice of communication anyway. That is why devices like ePill exist.

CareFlash has an interesting take on social networking for patients. It lets you create a private, secure website to inform and update your family/friends about your medical condition- an online ‘community’ of sorts. Good concept. Having an invite-only, private community helps everyone to stay current with latest developments about the health of someone they love, without everyone calling and visiting all the time. They have some neat features like a shared calendar, email alerts, forums etc.

The crown jewel offering is the educational content- they have 3D medical animations around a long list of conditions. These are meant to help patients and relatives better understand the medical condition. The content is developed by another company (Blausen Medical) and is high-quality, professional grade. I reviewed some of the videos and found them quite useful.

Its been around since 2007 and gets substantial visitors- around 2K+ per month. The site is completely free, and one of the press releases points to their business model “CareFlash is completely free to our users because select industries value having their advertisements tastefully and unobtrusively displayed in the circumstances on which each unique community is based.” Although I didn’t see any ads next to the videos I saw.

Vitals is a physician search and rating destination. The fact that we need such tools is indisputable, although there are a plethora of sites that claim to have this ability now (DrScore, RateMDs, HealthcareReviews, HealthGrades, DoctorScorecard to name a few) . Which is part of the reason why none of them is successful enough to be the ultimate source of such information. Board certification, address, affiliations, publications, education etc. are all public information anyway (albeit in obscure hard-to-find databases that are generally out of scope for a normal patient). Its the subjective rating and candid feedback from actual patients that is hard to find. The fact that there are multiple places claiming to be the repository of such ratings is not helping the situation.

Ranting aside, I like the user-friendliness of this site- very easy to navigate and see relevant information. They also do a good job of digging up public information from various sources and aggregate it all in a as-comprehensive-as-possible profile. Was also impressed by the fact that they have a healthy growth in traffic (now more than half a million unique’s every month, according to Compete).

Given the fact that potential users perhaps value ratings/recommendations/comments from other patients most, the biggest issue with all such sites is how to validate such information. In my search for multiple doctors, user ratings were almost non-existent. But even if they were as abundant as on Amazon, how does one establish their authenticity? I was able to submit ratings on one doctor without submitting any proof that I was ever treated by him (in full disclosure, the rating didn’t show up right away so its not that simple apparently. For example, their FAQ page says you can only rate your doctor once a month). Not sure about their revenue model either, since its free for users. Regardless, this is a good site to bookmark, just for getting all the public information about your doctor in one place.

ZocDoc is a free service that allows patients to book Doctor appointments online in New York City. It started in September 2007 as a service to help people find and make dentist appointments in NYC, and has now includes other specialties too (like primary care, dermatologist, ENT, ortho, OB/GYN, allergist, podiatrist, etc.)

Patients get to use the site for free-  looking up physicians that accept their insurance and setting up appointments with them. Apparently, physicians need to pay to join ZocDoc and their enter availability info. Given their recent start, focus on one metropolitan area, the monthly unique visitor count is significant (20K+ according to dataopedia).

Interesting idea overall, kind of OpenTable.com for clinical care. The fact that you can set up a guaranteed appointment with a care provider today is a great feature (hard to execute in all cases though). What blows me away is the backing they have- Khosla, Bezos and Benihoff! That has got to be the most incredible investment partner team I’ve seen so far in any small healthcare IT startup.

While we wait for President Obama’s public plan, the 46 million uninsured Americans need some options. Healdeal aims to bring the free market model to healthcare as one of them. The goal is to provide a marketplace for self-pay (uninsured) individuals to connect and transact with providers registered on the website.

There is scope for such services, for sure. There are significant number of people who need care that falls outside the realm of what insurance covers. Second opinions, cosmetic procedures, international travelers are some categories that come to mind. But as always, business model remains the Achilles heel. If you are operating a platform that matches supply with demand, its more straightforward to make money in commercial domains, much like eBay or eLance. But healthcare is different ballgame. Privacy, outcomes, benchmarking, feedback, transparency are some of the confounding issues that need to be taken care of.

Currently HealDeal is a social venture, with no subscription or advertisement model evident. Hopefully they have deep pockets or influential allies to keep themselves above water. It’d be interesting to have it as an app on Google Health though, especially if they can strike partnerships with other related, pro-self-pay businesses like Myca.

Practice Fusion is a web-based EMR & practice management system that is targeted towards private practices. SaaS-based EMRs are not new, but what sets Practice Fusion apart is its business model and lineage.

Practice Fusion’s is free. Free software, free hosting, free service. It is  supported by ‘non-intrusive’ ads. They have figured out a way to utilize Google Adsense APIs in a way that is compliant with HIPAA, i.e. doesn’t adversely affect patient privacy. Their CEO said in a 2007 interview that Practice Fusion will provide advertisers with basic demographic information about the physicians who view the ads – such as their city and specialty – but will not reveal names. If the users don’t want ads, they have an option to pay $100/month/provider to make them go away. As for the lineage, the company is backed by SalesForce both in terms of investment and advisory board. I guess that is where they inherit the ‘online, real-time, risk-free, on-demand’ marketing message.

I’m an absolute fan of free software, and believe in the utopian dream of free, ubiquitous EMRs. But I scratching my head on how exactly does an EMR work with an ad-supported model. Fact 1 – Doctors (esp. private practice) doing electronic documentation want to minimize distractions and click on as little items as possible. Fact 2 – Google Adsense sends you a check only if the users click on an ad. Those two facts are contradictory. How many doctors in their right mind will take time out in the middle of care delivery to click on an ad? I’ll bet none. Not many will pay $100 either.

There is some evidence that they charge some unpublicized fees ($50/month/provider “support” fee according to this commenter at another blog Note: Updated: See Emily’s comment to this post).  Practice Fusion claims their user base is now up to 18,000 and they are the “fastest growing EMR” but those sound like marketing tactics rather than hard facts. For example- This press release says that they are “fastest growing ” with 1300% growth rate. Well that is perhaps because they are comparing two convenient times – in early 2008 they had about 1000 users, and in early 2009 they had reached 13,000.

I’ll try not to judge them based on unverified complaints and odd press-releases, but I seriously doubt that good, competitive Healthcare IT software and it’s support can be sustained solely on the basis of only an ad-supported model.