A vital monitoring device comprising: (a) a housing defining a disc-like structure extending from an upper surface to a lower surface and having a side portion, the housing enclosing a control unit, the control unit including a microprocessor provided on a circuit board having a plurality of channels formed on the circuit board operable for receiving and processing sensor data, each of the plurality of channels coupled to the microprocessor; (b) a pulse oximetry sensor, an electrocardiogram sensor, and a temperature sensor provided in the housing and exposed on an exterior surface of the housing and each sensor electronically coupled to a separate and distinct channel formed on the circuit board; (c) a wireless communication module provided in the housing coupled to the microprocessor, wherein the wireless communication module is configured to transmit vital data obtained by the plurality of sensors to a remote device having a remote application or remote server; (d) a first finger depression and a second finger depression formed on the upper surface of the housing and shaped to receive a first and a second finger of one hand of a user, respectively; and (e) a third finger placement location formed on the side portion of the housing configured to receive a third finger of an opposite hand of the user; wherein the pulse oximetry sensor is exposed and positioned within the first finger depression, and wherein the temperature sensor and a first electrode coupled to the ECG sensor are exposed and positioned within the second finger depression and a second electrode coupled to the ECG sensor is exposed and positioned at the third finger placement location to close a circuit for the ECG sensor. (a) a housing defining a disc-like structure extending from an upper surface to a lower surface and having a side portion, the housing enclosing a control unit, the control unit including a microprocessor provided on a circuit board having a plurality of channels formed on the circuit board operable for receiving and processing sensor data, each of the plurality of channels coupled to the microprocessor; (b) a pulse oximetry sensor, an electrocardiogram sensor, and a temperature sensor provided in the housing and exposed on an exterior surface of the housing and each sensor electronically coupled to a separate and distinct channel formed on the circuit board; (c) a wireless communication module provided in the housing coupled to the microprocessor, wherein the wireless communication module is configured to transmit vital data obtained by the plurality of sensors to a remote device having a remote application or remote server; (d) a first finger depression and a second finger depression formed on the upper surface of the housing and shaped to receive a first and a second finger of one hand of a user, respectively; and (e) a third finger placement location formed on the side portion of the housing configured to receive a third finger of an opposite hand of the user; wherein the pulse oximetry sensor is exposed and positioned within the first finger depression, and wherein the temperature sensor and a first electrode coupled to the ECG sensor are exposed and positioned within the second finger depression and a second electrode coupled to the ECG sensor is exposed and positioned at the third finger placement location to close a circuit for the ECG sensor. wherein the pulse oximetry sensor is exposed and positioned within the first finger depression, and wherein the temperature sensor and a first electrode coupled to the ECG sensor are exposed and positioned within the second finger depression and a second electrode coupled to the ECG sensor is exposed and positioned at the third finger placement location to close a circuit for the ECG sensor.