Anxiety can cause arrhythmia, or an irregular heartbeat. Anxiety can trigger an overactive sympathetic nervous system, which can cause the heart to beat too fast, too slow, or irregularly. This can lead to an arrhythmia, which can be dangerous if not monitored or treated.
When anxiety affects the heart, it can cause an increase in heart rate, known as tachycardia. This can cause palpitations, a feeling that the heart is beating too fast or skipping beats. In more severe cases, it can lead to atrial fibrillation, a condition where the heart beats too rapidly and irregularly. This can cause dizziness, fatigue, chest pain, and, in some cases, stroke or heart failure.
Anxiety can also cause a decrease in heart rate, known as bradycardia. This can cause the heart to beat too slowly, leading to fatigue, dizziness, and shortness of breath.
In some cases, anxiety can cause a disruption in the natural pacemaker of the heart, known as the sinus node. This can lead to heart blocks or pauses in the heartbeat, which can also be dangerous.
It is important to talk to your doctor if you are experiencing any of these symptoms, as they can be an indication of an arrhythmia. Your doctor may recommend lifestyle changes, medication, or medical procedures to help manage the condition.