A health monitoring system includes a plurality of wireless electrode patches and a wireless receiver. Each of the wireless electrode patches includes a sensor configured to detect a medical characteristic of a subject, a wireless module configured to transmit a signal indicative of the detected medical characteristic, a power module configured to supply electrical energy to one or more of the sensor and the wireless module, and a housing configured to support an electrode. The housing includes a surface configured to be disposed adjacent to skin of a subject, the surface including a pattern of microstructures defining protrusions and recesses, wherein the protrusions facilitate attachment of the housing to the skin of the subject. The wireless receiver is configured to communicate with each of the wireless electrode patches to receive at least the signal indicative of the detected medical characteristic.
