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Pupil sizes (left eye vs. right eye) Possible interpretation Normal eye with two pupils equal in size and reactive to light. This means that the patient is probably not in a coma and is probably lethargic, under influence of a drug, or sleeping. "Pinpoint" pupils indicate heroin or opiate overdose, which can be responsible for a patient's coma.
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
Standing up suddenly (see orthostatic hypotension), especially if sick, hungover, or experiencing low blood pressure. Fatigue; Hyperventilation, paradoxically: self-induced hypocapnia, such as in the fainting game or in shallow water blackout. Overexertion; Severe episodes of coughing or sneezing; Panic attack; Possible symptoms include ...
Dr. Emanuel warns that there are some specific symptoms along with pain behind the eyes, including scleral injection (red, bloodshot eyes), double-vision (or vision changes overall), fever, nausea ...
There’s nothing you can do to make the red spot disappear any faster, but over-the-counter vasoconstrictor eye drops can keep the spot from growing any bigger, says Dr. Pierce. Beyond that, all ...
Human Eye. Cyanopsia is a rare visual phenomenon characterized by a blue tint to vision. Most commonly associated with cataract surgery and certain medications, such as sildenafil, cyanopsia is typically a temporary side effect rather than a standalone disease.
We get into a pattern of waking and sleeping that sees us opening our eyes in the middle of the night. The room is dark, but sure enough, the clock reads the same time as it did the night before ...
Individuals with exploding head syndrome hear or experience loud imagined noises as they are falling asleep or are waking up, have a strong, often frightened emotional reaction to the sound, and do not report significant pain; around 10% of people also experience visual disturbances like perceiving visual static, lightning, or flashes of light.