What is a classic sign of pulmonary embolism?

• A. Rapid weight gain
• B. Chest pain upon inhalation
• C. Coughing up blood
• D. All of the above

Answer: (D)

A classic sign of pulmonary embolism is indeed the combination of various symptoms, which can include chest pain upon inhalation, also known as pleuritic chest pain, and coughing up blood, or hemoptysis. When a pulmonary embolism occurs, usually as a result of a blood clot traveling to the lungs, it can lead to significant respiratory distress and cardiovascular compromise, causing a range of symptoms.

Chest pain, in particular, often intensifies with deep breaths or coughing due to irritation of the pleura. Similarly, coughing up blood is a concerning symptom that arises due to damage to the lung tissue or blood vessels, which can happen when a clot obstructs blood flow and creates increased pressure in the pulmonary arteries.

Rapid weight gain might indicate fluid retention, which is not a classic sign of pulmonary embolism but could occur if there is cardiovascular strain from heart failure secondary to the embolism. However, the primary symptoms associated with a pulmonary embolism center on respiratory compromise and chest discomfort.

Thus, the inclusion of both chest pain upon inhalation and coughing up blood highlights the common respiratory symptoms that indicate a serious medical condition like pulmonary embolism, while underscoring the importance of recognizing multiple symptoms together for accurate diagnosis.