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.

Can Chest Tightness Be the ONLY Symptom of a Heart Attack?

Is it true that if you have only the one symptom of chest tightness, and no other symptoms, that you could still be having a heart attack? You probably already know at least a few [...]

How Much Worse Is a Total Cholesterol of 1,000 than 500?

Can total cholesterol be SO high, 1,000 vs. 500, that anything higher would not make a difference in how at risk the patient is for a heart attack? What about treatment options; would they differ? [...]

Can Heart Palpitations Be Caused by Low Iron Levels?

Heart palpitations—the perception that the heart is skipping beats, making extra beats or beating erratically, has multiple causes. Low iron levels can be associated with this situation, which ranges from annoying to frightening. Suddenly feeling [...]