A blood pressure measurement device that is wearable by a patient, comprising: a finger cuff attachable to the patient's finger including a light emitting diode - photodiode pair to measure a pleth signal and a bladder surrounding the finger; and a blood pressure measurement controller coupled to the bladder through a finger cuff connector to provide pneumatic pressure to the bladder, the blood pressure measurement controller wearable by the patient, the blood pressure measurement controller including: a pump coupled to the finger cuff connector, a valve, a pressure sensor, and control circuitry coupled to the pump, the valve, the pressure sensor, and the LED-PD (150, 152) pair, the control circuitry being configured to: control the pneumatic pressure applied by the pump through the finger cuff connector to the bladder to replicate the patient's blood pressure based upon measuring the pleth signal; control the opening of the valve to release pneumatic pressure from the bladder; and measure the patient's blood pressure by monitoring the pressure of the bladder with the pressure sensor; wherein the finger cuff connector includes a connection fixture for directly connecting the pneumatic pressure from the blood pressure measurement controller to the bladder of the finger cuff and wherein the blood pressure measurement controller is mountable on top of the finger cuff. a finger cuff attachable to the patient's finger including a light emitting diode - photodiode pair to measure a pleth signal and a bladder surrounding the finger; and a blood pressure measurement controller coupled to the bladder through a finger cuff connector to provide pneumatic pressure to the bladder, the blood pressure measurement controller wearable by the patient, the blood pressure measurement controller including: a pump coupled to the finger cuff connector, a valve, a pressure sensor, and control circuitry coupled to the pump, the valve, the pressure sensor, and the LED-PD (150, 152) pair, the control circuitry being configured to: control the pneumatic pressure applied by the pump through the finger cuff connector to the bladder to replicate the patient's blood pressure based upon measuring the pleth signal; control the opening of the valve to release pneumatic pressure from the bladder; and measure the patient's blood pressure by monitoring the pressure of the bladder with the pressure sensor; wherein the finger cuff connector includes a connection fixture for directly connecting the pneumatic pressure from the blood pressure measurement controller to the bladder of the finger cuff and wherein the blood pressure measurement controller is mountable on top of the finger cuff. control the pneumatic pressure applied by the pump through the finger cuff connector to the bladder to replicate the patient's blood pressure based upon measuring the pleth signal; control the opening of the valve to release pneumatic pressure from the bladder; and measure the patient's blood pressure by monitoring the pressure of the bladder with the pressure sensor; wherein the finger cuff connector includes a connection fixture for directly connecting the pneumatic pressure from the blood pressure measurement controller to the bladder of the finger cuff and wherein the blood pressure measurement controller is mountable on top of the finger cuff.