cause of atrial fibrillation

{"title":"Medical LED Surgical Light Source For Endoscope Camera System DJGY-Ib","imgUrl":"https:\/\/img.chinax.com\/nimg\/be\/55\/abf99f3d7c91c5df27c0fb7543e1-200x200-1.jpg","attrs":{"Brand Name":"Dajing","Model Number":"DJGY-Ib","Minimum Order Quantity":"1SET","Delivery Time":"14days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"200\/Month","Packaging Details":"carton","Screen":"3.2'' TFT LCD Screen","Lamp":"90w","Color Temperature":"5700K, natural light color temerature","Illumination":"2000000LUX","Lamp life":"\u226520000 hours","Power Supply":"AC100-240V 50\/60 Hz","Protection function":"Bulb life alarm, fan abnormal alarm, over temperature protection","Light transmitting bundle":"3m"}}

{"title":"Telecardiology Device Bluetooth ECG Event Recorder, Single-lead, Arrythmia & HRV Check Monitor for Telemedicine","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/af\/695210f926f161d1845a9b0fb9fa-200x200-1.jpg","attrs":{"Price":"contact us","Brand Name":"BORSAM","Model Number":"WeCardio","Minimum Order Quantity":"100","Certification":"CE0123","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"1000 units per week","Packaging Details":"retail box","Catalogue":"Telecardiology Device","Item":"Bluetooth ECG Event Recorder","leads":"Single-lead","connection":"Bluetooth","Battery":"rechargeable","Function":"Arrythmia & HRV Check Monitor"}}