A personal hand monitor (PHHM) comprising a signal acquisition device to acquire signals that can be used to derive a measurement of a parameter related to the user's health, the signal acquisition device is integrated with a personal computing device portable (PHHCD), where the parameter is the blood pressure and the signal acquisition device comprises a means of occlusion of the blood flow (1; 21; 41; 62) adapted to press against one side of only one part of the body or to have a single side of a part of the body pressed against it, a means to measure the pressure (4; 63) applied by or to the part of the body, and characterized by a means to detect blood flow (3; 23; 43; 65) through the part of the body in contact with the blood flow occlusion means (1; 21; 41; 62), wherein: the means for detecting blood flow (3; 23; 43; 63) is an optical sensor (88; 108) and the processor (6; 30; fifty; 66) of the PHHM is adapted to detect the flow in a range of pressures applied by or for the body part in any order and to estimate the systolic and diastolic blood pressures using an oscillometric method by adjusting the measured pressure and the flow data to a theoretical curve that relates blood flow to external pressure applied.Un monitor de mano personal (PHHM) que comprende un dispositivo de adquisición de señal para adquirir señales que pueden usarse para derivar una medición de un parámetro relacionado con la salud del usuario, el dispositivo de adquisición de señal se integra con un dispositivo de computación personal portátil (PHHCD), donde el parámetro es la presión sanguínea y el dispositivo de adquisición de señal comprende un medio de oclusión del flujo sanguíneo (1; 21; 41; 62) adaptado para presionarse contra un lado solamente de una parte del cuerpo o para tener un solo lado de una parte del cuerpo presionada contra ella, un medio para medir la presión (4; 63) aplicada por o a la parte del cuerpo, y caracterizado por un medio para detectar el flujo de sangre (3; 23