What causes palpitations, shortness of breath, and chest tightness? Five reasons worth paying attention to

Palpitation, shortness of breath and chest tightness are the key factors that prevent many people from working and studying normally in life. Generally speaking, the occurrence of this situation is related to many reasons. So, what causes palpitations, shortness of breath, and chest tightness?

1. Active myocarditis:

There may be symptoms such as palpitations, heart palpitations, tachycardia, arrhythmia, chest tightness and shortness of breath, which should be examined and eliminated.

2. Hypoglycemia:

The most common is idiopathic functional hypoglycemia, which is more common in middle-aged women. It is characterized by no clear cause of the disease, and fasting blood sugar is usually normal. It generally does not cause hypoglycemia when fasting, and the attack time is usually 2 to 4 hours after a meal (11 am or 3 pm). The symptoms are mild and loss of consciousness is rare. The early symptoms of hypoglycemia include palpitations, fatigue, hunger, hand tremors, cold sweats, pale complexion, cold limbs, or nausea and vomiting. They are mainly caused by overexcitement of the sympathetic nerves and excessive adrenaline:

Hypoglycemia is episodic, not frequent, and rarely causes symptoms of chest tightness and shortness of breath.

3. Anemia:

Anemia can cause symptoms such as dizziness, palpitations, and tachycardia, but generally does not cause symptoms of chest tightness.

4. Low blood pressure:

It also mainly causes symptoms of dizziness, but the blood pressure is around 60/90, which generally does not cause changes in blood supply.

5. Cardiovascular dysfunction:

It is very common in clinical practice, and the symptoms are: patients feel chest tightness, shortness of breath, subjective feeling of lack of air, difficulty breathing, often sighing, and feel comfortable after taking a deep breath or a long breath; sometimes it is often accompanied by palpitations, tachycardia, stabbing pain in the precordial area, as well as neurological symptoms such as fatigue, dizziness, confusion, and insomnia. Symptoms are often triggered or aggravated by mental factors. It may also be accompanied by chronic pharyngitis, such as a foreign body sensation in the throat.