ACEi	angiotensin-converting enzyme inhibitors
AHI	apnea hypopnea index
ARBs	Angiotensin II receptor blockers
BMI	body mass index
CKD	Chronic Kidney Disease
COPD	Chronic Obstructive Pulmonary Disease; Broncopneumopatia cronica ostruttiva
CPAP	Continuous Positive Air Pressure
CSA	Central Sleep Apneas
DBP	diastolic blood pressure
E/A	ratio between wave E (the wave of rapid filling in early diastole) and wave A (the wave of atrial contraction)
E/e’	ratio between wave E and wave e’ (reliable estimate of changes in end-diastolic blood pressure)
GLS	global longitudinal strain
e-GFR	estimate glomerular filtration rate
Hb	Haemoglobin
HbA1c	glycated haemoglobin
HF	Heart Failure
HFrEF	Heart Failure with reduced ejection fraction
HFmrEF	Heart Failure with mildly reduced ejection fraction
HFpEF	Heart Failure with preserved ejection fraction
HOMA-IR	Homeostasis Model Assessment Insulin Resistance
HR	heart rate
hs-CRP	high sensitive C-reactive protein
HTC	Hematocrit
IHD	ischemic heart disease
IVC	inferior vena cava
K	Potassium
LAVi	left atrial volume index
LVEDV/BSA	left ventricular end-diastolic volume index/body surface area
LVEF	left ventricular ejection fraction
LVESV/BSA	left ventricular end-systolic volume index/body surface area
MLHFQ	Minnesota living with heart failure questionnaire
MRAs	mineral receptor antagonists
Na	Sodium
NIV	Non Invasive Ventilation
NTpro-BNP	N-terminal pro-B-type Natriuretic Peptide
OAC	oral anticoagulant
ODI	oxygen desaturation index
OSA	obstructive sleep apneas
RAA	Right Atrium Area
RR	respiratory rate
RVOTp	Right Ventricular Outflow Tract proximal
SA	Sleep Apnea
SBP	systolic blood pressure
SGLT2i	sodium-glucose cotransporter type 2 inhibitor
s-PAP	systolic pulmonary arterial pressure
SpO2	peripheral arterial oxyhemoglobin saturation
T2DM	type 2 diabetes mellitus
TAPSE	tricuspid annular plane systolic excursion
TC90	percentage time of saturation below 90%
VHD	valvular heart disease