When the amount of blood reaching the brain dramatically decreases, a person may lose consciousness and fall over. Changes in blood circulation, pressure, and volume, as well as heart rate, can all cause bouts of syncope. There are different types of syncope.Vasovagal syncope, or cardio-neuroge...
In: Benditt DG, Blanc JJ, Brignole M, Sutton R (eds) The evaluation and treatment of syncope: a handbook for clinical practice. Blackwell/Futura, New York Google Scholar Steinberg LA, Knilans TK (2005) Syncope in children: diagnostic tests have a high cost and low yield. J Pediatr 146...
There are two main types of syncope: vasovagal and cardiac. Vasovagal syncope This is the most common type (also called a neurally mediated syncope), causing over half of all fainting episodes. It's most common in children and young adults. It can happen when something triggers a reaction...
About one symptomatic patient out of three has already experienced or will experience one or more syncopal episodes [1]. Although an exhaustive epidemiological assessment of syncope in hypertrophic cardiomyopathy has never been performed, some clinical characteristics are widely recognized....
What are the signs andsymptomsof vertigo? The symptoms of vertigo include a sense of spinning, loss of balance, whirling, or loss of balance. These symptoms can be present even when someone is perfectly still. Movement of the head or body, like rolling over in bed, can escalate or worsen...
What type of cardiomyopathy is associated with syncope? What are the symptoms of dilated cardiomyopathy? What is ischemic cardiomyopathy? What is stress induced cardiomyopathy? How is stress cardiomyopathy diagnosed? How does cardiomyopathy affect the heart?
Hypotension, also known as low blood pressure, is a condition in which the blood pressure falls below the normal range. Learn about the definition,...
Chapter 4/ Lesson 1 3K In this lesson, we will learn about seizures that are not epileptic in nature. We will look at the different types of non-epileptic seizures and what causes them. Related to this Question What does spasm mean?
Negative dromotropic neurons are found in the rostral ventrolateral NA (rNA-VL), negative chronotropic neurons are found in the caudal ventrolateral NA (cNA-VL), and both types of neurons are found in an intermediate level of the ventrolateral NA (iNA-VL). Substance P (SP) immunoreactive ...
Sinus arrhythmia is an irregularity in heart rhythm that originates at the sinus node of the right atrium. It typically manifests as either a faster heart rate (beating more than 100 beats per minute) or a slower heart rate (beating less than 60 bpm). There are three types of sinus arrh...