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All factors contributing to central cyanosis can also cause peripheral symptoms to appear, but peripheral cyanosis can be observed in the absence of heart or lung failures. [5] Small blood vessels may be restricted and can be treated by increasing the normal oxygenation level of the blood.
Early symptoms include headache, dizziness, fast heart rate, shortness of breath, and vomiting. [2] This phase may then be followed by seizures, slow heart rate, low blood pressure, loss of consciousness, and cardiac arrest. [2] Onset of symptoms usually occurs within a few minutes. [2] [3] Some survivors have long-term neurological problems. [2]
Symptoms may include headache, dizziness, shortness of breath, nausea, poor muscle coordination, and blue-colored skin (cyanosis). [2] Complications may include seizures and heart arrhythmias. [3] [4] Methemoglobinemia can be due to certain medications, chemicals, or food or it can be inherited. [2]
Early cyanosis is a symptom of a right-to-left shunt. [2] A right-to-left shunt results in decreased blood flow through the pulmonary system, leading to decreased blood oxygen levels . Hypoxemia manifests as cyanosis, causing "blue babies."
Cyanosis of the hand in an elderly person with low oxygen saturation: Specialty: Pulmonology, toxicology: Symptoms: Cyanosis, numbness or pins and needles feeling of the extremities: Complications: Gangrene, necrosis: Risk factors: Diabetes, coronary artery disease, heart attack, stroke, embolism, thrombosis, deep-vein thrombosis, tobacco smoking
A new review reports that nine people taking semaglutide and tirzepatide — the active ingredient in GLP-1 medications — experienced vision issues, including three potentially blinding eye ...
Early symptoms of hypovolemia include headache, fatigue, weakness, thirst, and dizziness. The more severe signs and symptoms are often associated with hypovolemic shock. These include oliguria, cyanosis, abdominal and chest pain, hypotension, tachycardia, cold hands and feet, and progressively altering mental status. [citation needed]
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().