I71.011

Clinical Causes: Hypertension (high blood pressure): Chronic high blood pressure weakens the aortic wall over time, increasing the risk. Connective tissue disorders: Conditions such as Marfan syndrome and Ehlers-Danlos syndrome cause structural weaknesses in the blood vessel walls. Atherosclerosis: Buildup of plaque can damage the aortic wall, making it more susceptible to tearing. Trauma: Severe chest injury or accidents can lead to dissection. Pre-existing aortic aneurysm: An enlarged or weakened aorta increases dissection risk. Certain genetic factors: Family history of aortic disease may predispose individuals to dissection. Bicuspid aortic valve: A congenital heart defect associated with increased risk.

Key Symptoms: Sudden severe chest pain: Often described as tearing or ripping sensation, radiating to the neck, back, or shoulders. Pain in the back or neck: Persistent and severe. Shortness of breath: May occur if dissection affects blood flow. Syncope (fainting): Due to compromised blood flow to the brain. Weakness or paralysis: Especially if the dissection affects blood flow to the brain or spinal cord. Hoarseness or cough: If the dissection presses on the airway or recurrent laryngeal nerve. Pulse discrepancies: Differences in blood pressure or pulse between limbs. Other signs of shock: Cold sweat, rapid heartbeat, or loss of consciousness in severe cases.

Diagnosis Path: Computed Tomography Angiography (CTA): A specialized CT scan that provides detailed images of the aorta. Magnetic Resonance Angiography (MRA): An MRI-based technique that visualizes blood vessels. Transesophageal Echocardiography (TEE): An ultrasound probe inserted into the esophagus offers clear images of the thoracic aorta. Chest X-ray: Can sometimes suggest an aortic abnormality but lacks specificity. Electrocardiogram (ECG): Used to rule out heart-related causes of chest pain.

Treatment Protocols: Blood pressure control: Immediate reduction of blood pressure to decrease stress on the aortic wall, typically using intravenous medications. Surgical intervention: Open surgical repair may be necessary to remove the damaged section of the aorta and replace it with a synthetic graft. Endovascular procedures: Less invasive options such as stent placement might be suitable in certain cases. Monitoring and supportive care: In some cases, close observation and medical management are chosen if the dissection is limited and stable. Post-treatment management: Ongoing blood pressure control, regular imaging, and management of underlying risk factors to prevent recurrence.