ac	alternating current
AV	atrio-ventricular
CO	cardiac output
DC	direct current
ECG, MCG	electrocardiogram, magnetocardiogram
EDR	electrodermal response
EEG, MEG	electroencephalogram, magnetoencephalogram
EHV, MHV	electric heart vector, magnetic heart vector
emf	electromotive force
EMG, MMG	electromyogram, magnetomyogram
ENG, MNG	electronystagmogram, magnetonystagmogram
EOG, MOG	electro-oculogram, magneto-oculogram
EPSP,IPSP	excitatory and inhibitory post-synaptic potentials
ERG, MRG	electroretinogram, magnetoretinogram
ERP	early receptor potential
ESR	electric skin resistance
F, V	flow, vortex
FN, FP	false negative, false positive
GSR	galvanic skin reflex
HR	heart rate
IPL	inner plexiform layer
LA, RA, LL	left arm, right arm, left leg
LBBB, RBBB	left bundle-branch block, right bundle-branch block
LVED	left ventricular end-diastolic
LVH, RVH	left ventricular hypertrophy, right ventricular hypertrophy
LRP	late receptor potential
MFV	magnetic field vector
MI	myocardial infarction
MSPG	magnetic susceptibility plethysmography
OPL	outer plexiform layer
PAT	paroxysmal atrial tachycardia
PCG	phonocardiogram
PGR	psychogalvanic reflex
REM	rapid eye movements
rf	radio-frequency
rms	root mean square
RPE	retinal pigment epithelium
SA	sino-atrial
SQUID	Superconducting QUantum Interference Device
SV	stroke volume
TEA	tetraethylammonium
TN, TP	true negative, true positive
TTS	transverse tubular system
TTX	tetrodotoxin
V	ECG lead (VF, VL, VR, aVF, aVL, aVR, V1 ... V6)
VCG	vectorcardiography
VECG, VMCG	vector electrocardiography, vector magnetocardiography
WPW	Wolf-Parkinson-White (syndrome)