What does "Occlusion of the left MCA" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Occlusion of the left MCA" refers to a blockage in a specific blood vessel in the brain. The MCA, or middle cerebral artery, is one of the main arteries that supplies blood to the brain. When an occlusion, or blockage, occurs in this artery, it can disrupt the flow of blood. This can lead to a stroke, where parts of the brain are damaged due to lack of oxygen and nutrients.
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