Scary Symptoms: Your source for in-depth symptom information since 2012. Thousands of articles covering hundreds of medical, health and fitness topics including the scariest symptoms.

Why You Stop Breathing Right As You’re Falling Asleep

You settle comfortably in bed and are halfway between wakefulness and falling sleep when suddenly you realize you’ve stopped breathing: You’re gasping for breath, trying to get in air. The episode lasts only a second [...]

2026-01-14T18:06:29-07:00ADAM'S APPLE, SLEEP APNEA, SLEEP PARALYSIS|

What to Tell Cardiologist if You’re Having Heart Palpitations

If heart palpitations have been scaring you due to frequency, duration or just the way they feel, you need to know exactly what to tell a cardiologist. […]

Can Kidneys Suddenly Decompensate in Chronic Heart Failure?

In chronic heart failure can your kidneys suddenly get a lot worse even though the echocardiogram says your cardiac functioning has been stable for several years? […]

Which Is First in Cardiorenal Syndrome: Heart or Kidney Failure?

Cardiorenal failure is a classic chicken-or-egg scenario, in that it’s not always clear-cut which came first: heart failure or kidney failure. […]

Are You About 20 but Have Really High Cholesterol?

Yes, it happens: People in the 20 something age range can have a cholesterol number of 250, even 300. This would be alarming for a 20-year-old to hear from their doctor. But one number alone, [...]

Does Feeling Palpitations in the Neck Mean a Heart Problem?

Have you been feeling “heart palpitations” in your neck? Wondering if a fluttering feeling in your neck might mean that something’s wrong with your carotid artery, such as a blockage from carotid artery disease? [...]

Can Heart Decompensation Occur at Higher Ejection Fractions?

So can acute decompensated heart failure occur with higher ejection fractions? In other words, with mild to moderately reduced ejection fraction in the range of 40 to 50%? […]

Side Effects of Gamma Knife for Acoustic Neuroma Surgery

Gamma Knife surgery is one of the treatment options for an acoustic neuroma, a type of brain tumor. But Gamma Knife surgery can have side effects. If you’ve been diagnosed with an acoustic neuroma, you [...]

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