Cyanosis
When your skin, lips, or fingertips turn blue, your body is signaling a dangerous lack of oxygen.
Expert evaluation at Healers Clinic, Dubai
CALL EMERGENCY SERVICES IMMEDIATELY
Central cyanosis (blue lips or tongue) is a life-threatening emergency. Call emergency services immediately if someone shows:
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Consultation Screening
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Understanding Cyanosis
Cyanosis is a bluish discoloration of the skin, lips, and nail beds due to inadequate oxygen in the bloodstream. It indicates that the blood is not carrying enough oxygen to meet the body's needs.
Critical Warning
Cyanosis occurs when blood oxygen saturation falls below approximately 85%. This is a sign that the body is not getting enough oxygen and can rapidly lead to organ damage and death if not treated immediately.
Types of Cyanosis
Central Cyanosis
Location
Tongue, lips, and core skin
Cause
Problem with oxygenation in lungs or heart
Severity
More serious - indicates lung or heart problem
Examples
Pneumonia, heart failure, COPD, pulmonary embolism
Peripheral Cyanosis
Location
Hands, feet, fingertips, nail beds
Cause
Reduced blood flow to extremities
Severity
May be less urgent if core oxygen is OK
Examples
Cold exposure, Raynaud phenomenon, peripheral vascular disease
Differential Cyanosis
Location
Some body parts but not others
Cause
Specific vascular or cardiac abnormality
Severity
Often indicates specific heart defect
Examples
Patent ductus arteriosus, coarctation of aorta
Common Causes of Cyanosis
Respiratory Failure
Lungs cannot adequately oxygenate blood. This is the most common cause of central cyanosis - the lungs are not transferring oxygen to the blood effectively.
Assessment
Pulse oximetry, blood gases, chest X-ray, pulmonary function tests
Heart Failure
Heart cannot pump oxygenated blood effectively to the body. The heart fails to deliver oxygen-rich blood to tissues, causing cyanosis.
Assessment
Echocardiogram, ECG, chest X-ray, BNP
COPD
Chronic lung disease with inadequate oxygen exchange. The damaged lungs cannot maintain adequate oxygen levels in the blood.
Assessment
Spirometry, chest CT, blood gases
Pulmonary Embolism
Blood clot blocks blood flow to portions of lung. The blockage prevents blood from being oxygenated in affected areas.
Assessment
CT pulmonary angiogram, D-dimer
Asthma Attack
Severe bronchoconstriction prevents adequate oxygen intake. The airways are so narrowed that insufficient oxygen reaches the blood.
Assessment
Peak flow, spirometry, blood gases
Methemoglobinemia
Blood cannot carry oxygen due to abnormal hemoglobin. Certain chemicals or medications convert hemoglobin to a form that cannot carry oxygen.
Assessment
Blood test for methemoglobin levels
Symptoms Often Present with Cyanosis
Cyanosis rarely occurs alone. Watch for these associated symptoms:
What Happens in the Body
Healthy lungs transfer oxygen from inhaled air to the blood
Hemoglobin in red blood cells carries this oxygen throughout the body
When lungs cannot oxygenate properly, or heart cannot deliver oxygenated blood, oxygen levels drop
Deoxygenated hemoglobin appears blue rather than red, causing the bluish skin discoloration (cyanosis)
Without treatment, organs are starved of oxygen, leading to organ failure and death
Diagnostic Tests
Pulse Oximetry
Non-invasive measurement of blood oxygen saturation. A small device clips onto the finger to measure how much oxygen the blood is carrying.
Arterial Blood Gas
Blood test measuring exact oxygen and carbon dioxide levels. Provides precise information about blood oxygenation.
Oxygen Therapy
Supplemental oxygen to raise blood oxygen levels. Can be given through nasal cannula, mask, or mechanical ventilation.
Chest X-Ray
Imaging to identify lung or heart problems causing cyanosis. Can show pneumonia, heart enlargement, or other issues.
Echocardiogram
Ultrasound of the heart to assess function and structure. Identifies heart failure or congenital heart problems.
CT Pulmonary Angiogram
CT scan to look for pulmonary embolism. Identifies blood clots in the lungs.
What To Do During Cyanosis
Call Emergency Services Immediately
While waiting for emergency help:
Position
Have them sit upright. This helps with breathing and improves oxygenation.
Loosen Clothing
Remove tight clothing around neck and chest.
Oxygen
If available, give supplemental oxygen.
Stay Calm
Keep them calm - anxiety increases oxygen demand.
Frequently Asked Questions
What is cyanosis?
Cyanosis is a bluish discoloration of the skin, lips, and nail beds due to inadequate oxygen in the bloodstream. It occurs when the blood is not carrying enough oxygen (hypoxemia), causing the oxygen-depleted blood to appear blue rather than red.
Is cyanosis an emergency?
YES - Central cyanosis (blue lips, tongue) is ALWAYS an emergency. It indicates that your body is not getting enough oxygen and requires immediate medical attention. Call emergency services if cyanosis appears suddenly or is accompanied by breathing difficulty, chest pain, or confusion.
What is the difference between central and peripheral cyanosis?
Central cyanosis affects the lips, tongue, and core body - this indicates a problem with the lungs or heart. Peripheral cyanosis affects only the extremities (hands, feet) and may be due to poor blood flow to those areas. Central cyanosis is more serious and requires immediate evaluation.
What causes cyanosis?
Cyanosis results from low oxygen in the blood, which can be caused by: lung diseases (COPD, pneumonia, asthma), heart problems (heart failure, congenital heart disease), airway obstruction, high altitude, or certain blood disorders. The cause must be identified and treated.
What should I do if someone has cyanosis?
Call emergency services immediately. While waiting: have the person sit upright and try to remain calm, loosen any tight clothing, check if they have prescribed oxygen, do not give them anything to eat or drink, and be prepared to perform CPR if they stop breathing.
Cyanosis is a Medical Emergency
If you or someone you know has blue lips, tongue, or skin, call emergency services immediately.
Contact Healers Clinic
Emergency Line
+971 56 274 1787
Address
St. 15, Al Wasl Road, Jumeira 2, Dubai
Hours
Mon: 12-9pm • Tue-Sat: 9am-9pm