Cyanosis is the name given to a pale bluish colored skin and mucous membranes due to an inadequate supply of oxygen by the blood. Other symptoms can be associated with cyanosis are
· Heart murmur
· Crackles heard when listening to the lungs
· Muffled heart sounds
· Harsh sounds upon inhalation
· Honking cough
· Difficulty breathing
· Cool, pale, painful, swollen limbs lacking a strong pulse
· Weakness
· Paralysis
