I26.9

Clinical Causes: Deep vein thrombosis (DVT), where blood clots form in deep veins of the legs or pelvis, which can travel to the lungs. Prolonged immobility, such as during long flights or bed rest. Recent surgery or medical procedures, especially those involving the pelvis, hips, or legs. Cancer or malignancies that increase blood clotting risk. Hormonal therapies, including birth control pills and hormone replacement therapy. Inherited blood clotting disorders like factor V Leiden deficiency. Obesity, which increases pressure in the veins and promotes clot formation. Chronic medical conditions, such as heart failure or inflammatory diseases. Smoking, which contributes to vascular damage and clot formation. Pregnancy, particularly in the third trimester or postpartum period.

Key Symptoms: Sudden shortness of breath, which may worsen with exertion. Chest pain that can be sharp and worsen with deep breaths or coughing. Rapid heartbeat (tachycardia) or irregular heartbeat. Coughing, possibly with blood-tinged sputum. Feeling anxious or lightheaded, and in severe cases, fainting. Dizziness or feeling of weakness. Swelling, redness, or tenderness in the legs, indicating possible DVT. Clammy or sweaty skin. Wheezing or abnormal lung sounds.

Diagnosis Path: Diagnosis of pulmonary embolism without acute cor pulmonale involves a combination of clinical assessment and diagnostic tests. Healthcare providers may perform the following:

Treatment Protocols: Treatment strategies focus on preventing clot growth, dissolving existing clots, and reducing the risk of recurrence. Typical approaches include: