What Are the Symptoms of Cerebral Hypoperfusion?
Jul 20, 2021
Source: Cainiu Health
Dr. Li Chenyu
Introduction
What Are the Symptoms of Cerebral Hypoperfusion?
1. Altered Mental Status: Persistent drowsiness or a constant feeling of sleepiness—often an early warning sign caused by insufficient cerebral blood supply.
2. Motor Nerve Dysfunction: Manifested as drooling, aphasia or slurred speech, and dysphagia.
3. Sensory Dysfunction: Numbness of the face, tongue, or lips; blurred vision; and, in severe cases, sudden loss of vision.
Cerebral hypoperfusion refers to insufficient blood supply to a specific region of the brain, resulting in impaired brain function. Its etiology is often associated with cerebral arteriosclerosis. So, what symptoms may manifest when cerebral hypoperfusion occurs?
1. Abnormal mental status: Persistent drowsiness and lethargy—often described as feeling “foggy” or constantly sleepy—is commonly caused by cerebral hypoperfusion and is considered an early warning sign. A minority of patients may experience insomnia, personality changes (e.g., social withdrawal, taciturnity, or emotional blunting), or conversely, increased talkativeness and irritability. Some may suffer transient loss of consciousness or cognitive decline.
2. Motor nerve dysfunction: Common manifestations include drooling, aphasia or dysarthria, dysphagia, unilateral limb weakness or impaired mobility, gait instability, or sudden falls. These are frequently prodromal symptoms and typically last only a short time.
3. Sensory dysfunction: Patients may experience numbness of the face, tongue, or lips; visual disturbances—including blurred vision or even transient monocular or binocular blindness; sudden onset of vertigo; or, in some cases, tinnitus and hearing loss.
