Author Archives: Dr. Li

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About Dr. Li

I am a professional surgeon based in Beijing, China.

Main Symptoms of Cerebrospinal Fluid Nasal Leak

Cerebrospinal fluid nasal leak is a steady drip of the clear fluid that cushions the brain, escaping through the nose. A tiny crack in the lining high inside the skull turns a runny nose into a medical clue. The first sign is clear, watery fluid that keeps coming from one nostril. It feels like a cold that never progresses—no color, no thick mucus, just a constant drip you dab away all day. The leak speeds up when you lean forward. You tie your shoes and a warm stream reaches the upper lip, or you shout across the yard and feel... Learn more

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Main Symptoms of Cerebrospinal Fluid Ear Leak

Cerebrospinal fluid ear leak means the clear fluid that bathes the brain is dripping out through the ear. A tiny tear in the lining creates a wet clue that is easy to miss at first but grows louder each day. The first sign is clear fluid that keeps coming from one ear. It can feel like water after swimming, yet returns even when you have been dry for hours. Tilting your head may trigger a warm trickle. Dripping increases with bending or straining. You blow your nose and feel liquid run into the ear canal, or a blob of clear... Learn more

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Main Symptoms of Brain Herniation

Brain herniation happens when swollen or shifting brain tissue gets pushed into spaces it does not belong. The squeeze can shut off blood flow and press on vital cables, so warnings appear fast and snowball. The first alert is a headache that spikes from bad to unbearable within minutes. It feels like the head is over-filled and may come with sudden vomiting that shoots out without nausea. Eye signs show up next. One pupil shrinks to a pin-point while the other balloons larger, and both may stop reacting to light. Trying to look side-to-side leaves one eye stuck in neutral.... Learn more

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Main Symptoms of Brain Edema

Brain edema is extra fluid packed into brain tissue, pushing the brain against the skull. Pressure climbs fast and shows early signs anyone can spot. The first sign is a squeezing headache that feels like your head is in a vise. It is worst when you lie flat or bend over and may wake you from deep sleep. Vision blurs next. Lights seem too bright, colors wash out, and you see double for a few seconds. Closing one eye does not clear the blur. Nausea hits hard. You feel seasick without moving and may throw up suddenly, often with no... Learn more

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Main Symptoms of Brainstem Bleeding

Brainstem bleeding is a sudden burst artery deep in the bridge between brain and spine. Because this area runs breathing, eye move, and face power, even a pea-size bleed strikes like lightning and can grow fast. The first blow is an instant thunderclap headache felt at the back of the head. People call it “the worst kick ever” and it often brings vomiting that shoots out without warning. Both eyes go weird together. The pupils may shrink to pin-points, become unequal, or bounce side-to-side. Trying to look left leaves one eye stuck in the middle. Face and tongue drop on... Learn more

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