What should be done if a 9-year-old develops thrombosis leading to pulmonary embolism from lying down while using a mobile phone?

Under normal circumstances, when a 9-year-old child develops pulmonary embolism caused by thrombosis, the main management approaches include immediate medical attention, maintaining a supine position, oxygen support, anticoagulation as prescribed, and monitoring vital signs. Do not delay if symptoms suggestive of pulmonary embolism appear; prompt intervention is key to ensuring safety. Specific measures are as follows:

1. Seek Immediate Medical Attention

Long-term bed rest can slow blood flow in the lower limbs, leading to thrombus formation. If the clot dislodges and blocks the pulmonary artery, it may cause pulmonary embolism, resulting in difficulty breathing or even sudden death. In case of symptoms such as chest pain, coughing up blood, or sudden shortness of breath, call emergency services immediately and go to a hospital with emergency care capabilities.

2. Maintain a Supine Position

Physical activity increases the risk of clot dislodgement and worsens pulmonary artery blockage. Keep the child lying flat, avoiding turning over, sitting up, or walking, to reduce oxygen consumption and prevent symptom progression while awaiting professional medical help.

3. Provide Oxygen Support

Pulmonary embolism impairs gas exchange in the lungs, often leading to hypoxemia. If an oxygen supply device is available at home, administer oxygen immediately to relieve chest tightness and breathing difficulties, maintain normal blood oxygen levels, and buy time for further treatment.

4. Follow Medical Advice for Anticoagulation

Anticoagulant therapy prevents existing clots from growing and new clots from forming. The doctor will select appropriate medication based on the child's weight and condition. Parents must strictly adhere to the prescribed dosage and administration instructions, without stopping or adjusting the medication on their own, to avoid compromising treatment effectiveness.

5. Monitor Vital Signs

Closely observe the child’s level of consciousness, respiration, heart rate, and body temperature. Note whether the complexion is pale or if the child appears agitated or restless. These observations help doctors assess the severity of the condition and formulate an appropriate treatment plan.

Pulmonary embolism is a medical emergency. Parents should seek immediate hospital care and must not attempt self-medication or delay treatment. In daily life, encourage children to avoid prolonged inactivity and engage in appropriate lower-limb movement to prevent thrombosis.