ACE-I	Angiotensin-Converting Enzyme Inhibitor
AL	Light-Chain Amyloidosis
AMY-CCM	Amyloidosis–Cardiac Contractility Modulation Registry
ARB	Angiotensin Receptor Blocker
ARNI	Angiotensin Receptor–Neprilysin Inhibitor
ATTR	Transthyretin
ATTR-CM	Transthyretin Cardiac Amyloidosis
BB	Beta-Blocker
BMI	Body Mass Index
CABG	Coronary Artery Bypass Grafting
CaMKII	Calcium/Calmodulin-Dependent Protein Kinase II
CCB	Calcium Channel Blocker
CCM	Cardiac Contractility Modulation
CMR	Cardiac Magnetic Resonance
CRT	Cardiac Resynchronization Therapy
ECG	Electrocardiogram
EDV	End-Diastolic Volume
EF	Ejection Fraction
eGFR	Estimated Glomerular Filtration Rate
ESV	End-Systolic Volume
H	Hereditary
HF	Heart Failure
HSP70	Heat Shock Protein 70
ICD	Implantable Cardioverter-Defibrillator
IQR	Interquartile Range
KCCQ	Kansas City Cardiomyopathy Questionnaire
MAPK	Mitogen-Activated Protein Kinase
MRA	Mineralocorticoid Receptor Antagonist
NT-proBNP	N-terminal pro-B-type Natriuretic Peptide
NYHA	New York Heart Association (Functional Class)
OMT	Optimal Medical Therapy
PCI	Percutaneous Coronary Intervention
PKA	Protein Kinase A
PKB	Protein Kinase B
PLB	Phospholamban
ROS	Reactive Oxygen Species
RyR2	Ryanodine Receptor 2
SERCA	Sarcoplasmic/Endoplasmic Reticulum Calcium ATPase
SGLT2-i	Sodium-Glucose Cotransporter-2 Inhibitor
TAPSE	Tricuspid Annular Plane Systolic Excursion
TTR	Transthyretin Protein
WHF	Worsening Heart Failure
WT	Wild-Type
α-MHC	Alpha-Myosin Heavy Chain