Source: record mimicdb/230/23000007  Start: [13:43:50.000 20/06/1995]
val has 6 rows (signals) and 75000 columns (samples/signal)
Duration:    10:00
Sampling frequency: 125 Hz  Sampling interval: 0.008 sec
Row	Signal	Gain	Base	Units
1	II	1880	0	mV
2	V	1157	0	mV
3	ABP	19.9115	-1601	mmHg
4	PAP	40	-1599	mmHg
5	PLETH	2000	0	mV
6	RESP	2000	0	mV

To convert from raw units to the physical units shown
above, subtract 'base' and divide by 'gain'.