medication to increase heart rate

{"title":"BSCI ICS Home Medical Pulse Oximeter DC3V Oxygen Heart Rate Monitor","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e8\/7e\/84f3ae87caaf565f19e1fa26e6ed-200x200-1.jpg","attrs":{"Price":"$4.68-6.95 500 units","Brand Name":"THXC","Model Number":"TX-2-OM2","Minimum Order Quantity":"100 units","Delivery Time":"5-15","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, , T\/T, Western Union, MoneyGram","Supply Ability":"50000 units\/per month","Packaging Details":"carton","Material":"Plastic ABS","Shelf Life":"1 year","Function":"Test blood oxygen","Power Supply":"Removable Battery (2*AAA battery)","After-sale Service":"Online technical support","Type":"Fingertip","Paramete":"SPO2, Pulse rate","Display type":"color OLED","Package":"Carton","Certificate":"CE,ISO","Product name":"Medical Pulse Oximeter"}}

{"title":"OEM Disposable Blood Tubing Set Indwelling Long Term Hemodialysis Catheter","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b2\/6f\/5c050e4dff1b7f7914a89de6f356-200x200-1.jpg","attrs":{"Price":"$2~10\/set","Brand Name":"Bexin","Model Number":"OEM","Minimum Order Quantity":"10000","Delivery Time":"15-30 work days","Certification":"CE\/ISO\/FSC\/CFDA","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"15000 sets per day","Packaging Details":"10Kits\/Box,4Boxes\/Small Carton(CTN Size:51X42X41cm)","Material":"PVC+TPU","Color":"White","Lumen":"Single\/Double\/Triple","Size":"single\/double\/triple lumen, 7-14 FR or Customized","Disinfecting Type":"EOS","Usage":"Hospital Medical"}}