An electrocardiographic monitoring system for obtaining a 12-lead electrocardiogram and a rhythm strip, comprising: - a personal ECG device having a housing that includes an analog module adapted for acquiring low level electrical signals from skin monitoring electrodes, a digital module for converting the acquired signals into digital data form, and a communication module for wirelessly communication between said personal ECG device and a mobile communication device, thereby enabling to convey data between both devices including the transferring of said converted digital data to said mobile communication device; - a dedicated application for being executed by said mobile device, for data communicating with a remote data center in order to transmit the data to said remote data center for processing said data and creating a 12-lead ECG and rhythm strip record characterized in that the system further comprises - 9 skin monitoring electrodes suitable to be positioned on the body of a user in a conventional anatomic electrode locations for a 12-lead ECG from the chest and limbs, in accordance with Einthoven, Goldberger and Wilson, wherein said conventional anatomic electrode locations are obtained by deploying said electrodes along a belt connected with said personal ECG device and on the housing of said personal ECG device, wherein at least four of said electrodes (V3-V6) are chest-facing precordial electrodes that are located on the inside of said belt and are for positioning on the chest of said user, two electrodes (LA, RA) are belt mounted outward facing limb electrodes located on the outside of said belt to acquire electrical signals of the left arm electrode and the right arm electrode, 1 flying electrode suitable to acquire the electrical signals of the left leg of said user, and two additional chest-facing precordial electrodes (V1, V2) are located on the housing of said personal ECG device. - a personal ECG device having a housing that includes an analog module adapted for acquiring low level electrical signals from skin monitoring electrodes, a digital module for converting the acquired signals into digital data form, and a communication module for wirelessly communication between said personal ECG device and a mobile communication device, thereby enabling to convey data between both devices including the transferring of said converted digital data to said mobile communication device; - a dedicated application for being executed by said mobile device, for data communicating with a remote data center in order to transmit the data to said remote data center for processing said data and creating a 12-lead ECG and rhythm strip record characterized in that the system further comprises - 9 skin monitoring electrodes suitable to be positioned on the body of a user in a conventional anatomic electrode locations for a 12-lead ECG from the chest and limbs, in accordance with Einthoven, Goldberger and Wilson, wherein said conventional anatomic electrode locations are obtained by deploying said electrodes along a belt connected with said personal ECG device and on the housing of said personal ECG device, wherein at least four of said electrodes (V3-V6) are chest-facing precordial electrodes that are located on the inside of said belt and are for positioning on the chest of said user, two electrodes (LA, RA) are belt mounted outward facing limb electrodes located on the outside of said belt to acquire electrical signals of the left arm electrode and the right arm electrode, 1 flying electrode suitable to acquire the electrical signals of the left leg of said user, and two additional chest-facing precordial electrodes (V1, V2) are located on the housing of said personal ECG device.