Medical analytical and diagnostic apparatus, namely, medical apparatus for detection and warning of onset of an atrial fibrillation, pulmonary hypertension, heart failure, sleep-disordered breathing, and other cardiovascular diseases and other clinical conditions in the nature of edema, palpitation, dyspnea, dizzy and fatigue requiring therapy; heart rate monitoring apparatus; electrocardiographs; sphygmotensiometers; cushion for medical purpose, namely, cushion that allows a patient to sit on or lie on it to measure heart rate, respiration rate, blood pressure, vital capacity, and other vital signs of the patient, where the cushion comprises a contact-free sensor and is capable of communicating data to an external control and display system; beds specially made for medical purposes; incubators for babies; stethoscopes; spirometers; medical apparatus and instruments for monitoring cardiovascular parameters, respiratory events, blood pressure, blood oxygen saturation, heart sound, vital capacity, and other vital signs of a patient in homes, hospitals, or other clinical settings, and the apparatus is capable of recording data and communicating data to an external control and display system and notifying caregivers or doctors of the patient's changes in health parameters