Chest pain in emergency department patients: if the pain is relieved by nitroglycerin, is it more likely to be cardiac chest pain?
[eccguidelines.heart.org]
LCOS was defined as clinical signs or symptoms, e.g., tachycardia, oliguria, poor perfusion, cardiac arrest, with or without a widened arterial-mixed venous oxygen saturation
[pedsccm.org]
Apart from pulmonary congestion, CXR findings are only predictive of heart failure where there are co-existing typical signs and symptoms. Urinalysis.
[patient.info]