<p>A patient's condition notification system (100) comprises a pulse monitor (80) for detecting a condition of a patient (M), a MERS (30) connected to an AC power supply (20) and an illumination lamp (60), and a controller (40) connected to the pulse monitor (80) and the MERS (30) and adjusting the brightness of the illumination lamp (60) by changing the magnitude of the output voltage and the phase of the current of the MERS (30) according to the output signal from the pulse monitor (80).</p>
