Option A. Pulmonary edema is a condition that accompanies left-sided heart failure and is characterized by non-infectious fluid build-up in the alveoli and lung tissues.
Symptoms of Pulmonary edema:
- Difficulty breathing or shortness of breathe
- Pain worsens while lying down and feels like suffocation
- Palpitations which can otherwise be called as irregular heartbeat
- Wheezing or shortness of breath can also be seen
Cause: Fluid accumulation in the air-sacs of lungs.
Pulmonary edema is a medical emergency which needs to be treated immediately.
Therefore, option A is the right answer.
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