What are the cardiac arrhythmias that can result in syncope in the pediatric population?
Cardiac causes can be separated into two categories: primary cardiac anomalies (right or left heart obstruction, pulmonary hypertension, cyanotic spells in cyanotic heart defects, hypertrophic or congestive cardiomyopathies); and arrhythmias that can lead to syncope in many conditions (long QT syndrome, Brugada …
What is the most common arrhythmia leading to syncope?
ARRHYTHMIC SYNCOPE Rhythm disturbances are among the most frequent and potentially hazardous causes of syncope and dizziness. Syncope from arrhythmia most commonly results from ventricular tachycardia, which accounts for 11% of all cases of syncope.
What causes a 15 year old to faint?
Getting too hot or being in a crowded, poorly ventilated setting are common causes of fainting. Sometimes just standing for a very long time or getting up too fast after sitting or lying down can cause someone to faint. Emotional stress. Emotions like fright, pain, anxiety, or shock can cause blood pressure to drop.
Can kids have syncope?
What is syncope in children? Syncope is a brief loss of consciousness and muscle tone (or posture) that can occur when not enough blood gets to the brain. Syncope is commonly called fainting. In most children, it’s usually harmless.
Why syncope is not common in children?
A heart rate that is too slow, too fast, or too irregular to keep enough blood flow to the body, including the brain. This is a fairly rare cause of syncope, especially in children. Structural heart disease (muscle or valve defects). There may be problems with the heart muscle or one or more of the heart valves.
What happens during cardiac syncope?
Cardiovascular syncope is a brief loss of consciousness (from a few seconds to a few minutes), that is characterized by rapid onset and spontaneous recovery. It is caused by decreased blood flow to the brain.
Why does my teenage son get dizzy when he stands up?
When you stand up suddenly, for a few moments your blood will lag behind in your legs, and what you’ll notice are the effects of not having enough blood getting to your brain. You’ll feel like you might faint, what some people call “dizzy.” Many people will also notice changes in their vision when this happens.
Why is my teenage son dizzy?
Lightheadedness is often the result of a drop in blood pressure (orthostatic hypotension) or not enough blood flow from the heart. Heart problems, stroke, internal bleeding, and shock can all contribute. Lightheadedness also can happen with viruses, low blood sugar, allergies, and dehydration.