Table 2. Studies reporting measurement of arterial blood pressure. BH = breath hold. S = SCUBA, trans = transmission .

Sensor	Ref.	Diving mode	Setting	Tested depth (m)	Manufacturer	Real-time display	Data storage or display	Data trans	Water-and pressure-proofing of the wearable sensor	Max. depth (m)
Cuff + differential pressure sensor + microcontroller (based on Korotkoff sounds)	6	S	Pool	3	Bosch & Sohn (BoSo)	Yes	On screen via a video-camera	Cable	Plexiglass housing for inflator/display (downwardly open for hydrostatic pressure equalisation); silicone sheath for cuff microphones	–
Cuff + differential pressure sensor + microcontroller (based on Korotkoff sounds)	20 21 48 49	BH[20,21,48],S[49]	Pool	10.5	Prototype	Yes	Microcontroller	Cable	Lexan tube, inflation air coming from a SCUBA tank	200