ACE2	angiotensin-converting enzyme 2
APTT	activated partial thromboplastin time
ARDS	acute respiratory distress syndrome
AVDS	acute vascular distress syndrome
cGMP	cyclic guanosine monophosphate
COVID-19	coronavirus disease 2019
CT	computed tomography
CTEPH	chronic thromboembolic pulmonary hypertension
DECT	contrast dual-energy CT
DLCO	diffusing capacity for carbon monoxide
DVT	deep vein thrombosis
ECMO	extracorporeal membrane oxygenation
eNOS	endothelial nitric oxide synthase
EPCR	thrombomodulin and endothelial cell protein C receptor
EPO	erythropoietin
ERK	extracellular signal-regulated kinase
HbNO	5-α-nitrosyl-hemoglobin
HHV-8	human herpesvirus-8
HIF	hypoxia-inducible factor
HIV	human immunodeficiency virus
HPV	hypoxic pulmonary vasoconstriction
ICU	intensive care unit
IL	interleukin
INR	international normalized ratio
iNOS	inducible NO synthase
LA	lupus anticoagulant
MCP-1	monocyte chemoattractant protein 1
MEK	mitogen-activated protein kinase
NETs	neutrophil extracellular traps
NF-kB	nuclear factor kappa beta
NO	nitric oxide
OPN	osteopontin
PAI-1	plasminogen activator inhibitor-1
PAH	pulmonary arterial hypertension
PAMPs	pathogen-associated molecular patterns
PAP	pulmonary arterial pressure
PE	pulmonary embolism
PH	pulmonary hypertension
PVR	pulmonary vascular resistance
RAAS	renin–angiotensin–aldosterone system
RHC	right heart catheterization
ROS	reactive oxygen species
SARS-CoV-2	severe acute respiratory syndrome coronavirus 2
SPECT	ventilation-perfusion single-photon emission computed tomography (SPECT)
TF	tissue factor
TFPI	tissue factor pathway inhibitor
uPA	urokinase plasminogen activator
uPAR	urokinase plasminogen activator receptor
VEGF	vascular endothelial growth factor
VTE	venous thromboembolic events
vWF	von Willebrand factor