Source: record mimicdb/230/23000006  Start: [13:33:50.000 20/06/1995]
val has 6 rows (signals) and 375000 columns (samples/signal)
Duration:    5:00
Sampling frequency: 125 Hz  Sampling interval: 0.008 sec
Row	Signal	Gain	Base	Units
1	II	0	0	mV
2	V	0	0	mV
3	ABP	0	0	mmHg
4	PAP	0	0	mmHg
5	PLETH	0	0	mV
6	RESP	0	0	mV

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