AP	action potential
AT	axial tubes
[Ca2+]i	intracellular calcium concentration
CaM	calmodulin
CaMKII	calcium/calmodulin-dependent kinase II
CDI	Ca2+-dependent inactivation
CICR	Ca2+-induced Ca2+ release
PLB	phospholamban
cMyBP-C	cardiac myosin-binding protein-C
DHPR	dihydropyridine receptor
EC	excitation-contraction
ECCE	excitation-coupled calcium entry
ER	endoplasmic reticulum
FDUF	fire-diffuse-uptake-fire
HF	heart failure
ICa	calcium current
TCA	tricarboxylic acid
JP	junctophilins
MCU	mitochondrial calcium uniporter
NCX	Na+-Ca2+ exchanger
NO	nitric oxide
NOS	nitric oxide synthase
MT	mitochondrion
PKA	cAMP-dependent protein kinase
PKG	cGMP-dependent protein kinase
Po	open probability
ROS	reactive oxygen species
RyR	ryanodine receptor
SERCA	sarcoplasmic reticulum Ca2+-ATPase
SLN	sarcolipin
SOICR	store-overload-induced Ca2+ release
SR	sarcoplasmic reticulum
TATS	transverse-axial tubular system
T-tubules	transverse tubules
VGCC	voltage-gated Ca2+ channel
VGCR	voltage-gated SR Ca2+ release