App Review of H2O Overload: Fluid Control for Heart-Kidney Health, by National Kidney Foundation

By: Saif Usman MD

The H2O overload app was produced by the National Kidney Foundation to help monitor patients with kidney and heart disease. It contains information on heart disease, kidney disease and hyponatremia.

At the same time it has the ability to store and track daily blood pressure, weight and medications and the ability to email information to the provider if enabled. This could be extremely useful not only for educating patients but also allowing for better communication and monitoring, hopefully resulting in better physician-patient interactions and overall better patient outcomes.

User Interface

The app opens to the title page and then brings you to a page where you can create your profile complete with doctor and caregivers emails. The app will save this information and every time you open the app you are brought to the My profile page first.

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Along the bottom of the screen there is a bar with icons for my profile, my health tools, my diagnosis and more. The selected icon turns blue and clicking on anyone takes you to the subsequent section. Clicking on My health tools brings up sections for tracking fluid intake, weight and blood pressure.

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So lets say I have a 55 yo male patient with congestive heart failure and renal disease on multiple medications. He is told to monitor his weight daily and call my office if his weight gain is more than 3 lbs in a day. Using the weight tracker section the patient can enter what his daily weight gain limit is and by entering his weight daily he can monitor how he is doing.

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Once he has entered several readings, the weight can be trended using the provided graph or you can view a list of the weight trend. The trend can be viewed for the past week, month 3 months and 6 months. This would be extremely useful both for the patient to review and see his progress as well as for his physician who can look back at the saved data.

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If the patient has entered his providers email address, there’s a ‘mail’ button for sending the latest information to his physician which is another extremely useful feature for close monitoring, especially in sicker patients or patients who live in more rural, less accessible places.

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Blood pressure and daily fluid restriction can also be monitored in the same fashion. If the patients number go over the self-defined limit, a red bar pops up alerting the patient to contact his provider.

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Clicking on the information icon in the top right corner brings up information about the National Kidney Foundation and their contact information.

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Clicking on My Diagnosis brings up some patient information on heart disease, kidney disease, hyponatremia and a glossary of terms.