A.
ACC: American College of Cardiology
ACEi: Angiotensin-Converting Enzyme Inhibitor
ACS: Acute Coronary Syndrome
AF: Atrial Fibrillation
AFIP: Atrial Fibrillation (Persistent or Paroxysmal)
AHA: American Heart Association
AHF: Acute Heart Failure 

AMI: Acute Myocardial Infarction
ANOCA: Angina with No Obstructive Coronary Arteries
AR: Aortic Regurgitation
ARB: Angiotensin II Receptor Blocker
ARNI: Angiotensin Receptor–Neprilysin Inhibitor
AS: Aortic Stenosis aPTT: Activated Partial Thromboplastin Time

B.
BAV: Bicuspid Aortic Valve
BNP: B-type Natriuretic Peptide

C.
CABG: Coronary Artery Bypass Grafting
CAD: Coronary Artery Disease  
CBC: Complete Blood Count  
CCB: Calcium Channel Blocker  
CCS: Chronic Coronary Syndrome and Canadian Cardiovascular Society  
CHD: Congenital Heart Disease  
CHF: Chronic Heart Failure  
CMR: Cardiac Magnetic Resonance Imaging
COPD: Chronic Obstructive Pulmonary Disease  
CRT: Cardiac Resynchronisation Therapy  
CT: Computed Tomography CTCA:
CT Coronary Angiography  
CVD: Cardiovascular Disease  
CYP3A: Cytochrome P3A

D.
DAPT: Dual Antiplatelet Therapy  
DAT: Dual Antithrombotic Therapy DES: Drug-Eluting Stent  
DOAC: Direct Oral Anticoagulant  

E.
ECMO: Extracorporeal Membrane Oxygenation   
E. faecalis: Enterococcus faecalis  
EF: Ejection Fraction  
EROA: Effective Regurgitant Orifice Area  
ESC: European Society of Cardiology  

F.
FDG-PET/CT: Fluorodeoxyglucose Positron Emission Tomography / Computed Tomography  
FFR: Fractional Flow Reserve

G.
GDMT: Guideline-Directed Medical Therapy
CIED: Cardiac Implantable Electronic Device
GLP-1 RA: Glucagon-Like Peptide-1 Receptor Agonist  
CoNS: Coagulase-Negative Staphylococci  
GP IIb/IIIa: Glycoprotein IIb/IIIa   
GRACE: Global Registry of Acute Coronary Events  

H.
HACEK: Haemophilus, Aggregatibacter, Cardiobacterium, Eikenella, Kingella  
HbA1c: Glycated Haemoglobin A1c  
HF: Heart Failure  
HFmrEF: Heart Failure with Mildly Reduced Ejection Fraction  
HFpEF: Heart Failure with Preserved Ejection Fraction  
HFrEF. Heart Failure with Reduced Ejection Fraction  
HIV: Human Immunodeficiency Virus  
HLM: Heart–Lung–Metastasis  
HMG-CoA: 3-Hydroxy-3-Methylglutaryl-Coenzyme A   
hs-cTnT: High-Sensitivity Cardiac Troponin -T

 
I.
IABP: Intra-Aortic Balloon Pump  
ICD: Implantable Cardioverter-Defibrillator  
IE: Infective Endocarditis  
IHD: Ischemic Heart Disease  
INOCA: Ischemia with No Obstructive Coronary Arteries  
INR: International Normalised Ratio  
IV: Intravenous  
IVDU: Intravenous Drug Use  
IVUS: Intravascular Ultrasound  

L.
LBBB: Left Bundle Branch Block  
LDL-C: Low density lipoprotein cholesterols   
LMWH: Low Molecular Weight Heparin  
LV: Left Ventricle / Left Ventricular
LVAD: Left Ventricular Assist Device  
LVEF: Left Ventricular Ejection Fraction  
LVEDD: Left Ventricular End-Diastolic Diameter  
LVESD: Left Ventricular End-Systolic Diameter  
LVESDi: Left Ventricular End-Systolic Diameter indexed to body surface area

 
M.
MEN2: Multiple Endocrine Neoplasia type -2
MCS: Mechanical Circulatory Support  
MI: Myocardial Infarction  
MR: Mitral Regurgitation  
MR-CoNS: Methicillin-Resistant Coagulase-Negative Staphylococci  
MRA: Mineralocorticoid Receptor Antagonist  
MS: Mitral Stenosis  
MSSA: Methicillin-Susceptible Staphylococcus aureus  

N.
NPC1L1: Niemann-Pick C1-like 1   
NT-proBNP: N-terminal pro B-type Natriuretic Peptide  
NSTEMI: Non-ST-Elevation Myocardial Infarction  
NVE: Native Valve Endocarditis  
NYHA: New York Heart Association

O.
OCT: Optical Coherence Tomography  
OPAT: Outpatient Parenteral Antibiotic Therapy  

P.
P2Y12: Platelet  
P2Y12 Receptor  
PCI: Percutaneous Coronary Intervention  
PCR: Polymerase Chain Reaction  
PCSK9: Proprotein convertase subtilisin/kexin type 9  
PMC: Percutaneous Mitral Commissurotomy  
PPCI Primary Percutaneous Coronary Intervention  
PVE: Prosthetic Valve Endocarditis  

R.
RAAS: Renin–Angiotensin–Aldosterone System  
RAS: Renin–Angiotensin System

 
S.
SAVR: Surgical Aortic Valve Replacement  
SBP: Systolic Blood Pressure  
SCAD: Spontaneous Coronary Artery Dissection  
SGLT2i: Sodium-Glucose Co-transporter 2 Inhibitor  
sPAP: Systolic Pulmonary Artery Pressure  
SpO2: Saturation of Peripheral Oxygen  
STEMI: ST-Elevation Myocardial Infarction  
SYNTAX: Synergy Between PCI With TAXUS and Cardiac Surgery  

T.
TAVI: Transcatheter Aortic Valve Implantation  
TEE: Transoesophageal Echocardiography  
TEER: Transcatheter Edge-to-Edge Repair
TIA: Transient Ischemic Attack  
TTE: Transthoracic Echocardiography  

U.
UA: Unstable Angina  
UFH: Unfractionated Heparin  

V.
VA-ECMO: Veno arterial Extracorporeal Membrane Oxygenation  
VHD: Valvular Heart Disease  
Vmax: Maximum Velocity