A medical monitor is provided. The medical monitor may include a plurality of sheets and a power source electrically connected in series with an alarm and an open circuit. The plurality of sheets may include a distal side and a proximal side. The open circuit may be sandwiched between distal sides of adjacent sheets. A user may mount either proximal side to a bleed site on a patient where bleeding can occur, for example, entry points for intravenous applications. The plurality of sheets may allow blood to flow from the bleed site through the proximal side and through distal side so that the blood may close the open circuit, so that the alarm is powered.