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Most attention to anti-transglutaminase antibodies is given with respect to celiac disease. A recent study of children published in 2007 demonstrated that the level of ATA in correlates with the scalar Marsh score for the disease in the same patient. [9] High levels of ATA are found in almost all instances of celiac disease. [10]
Quantitative fecal fat tests measure and report an amount of fat. This is usually done over a period of three days, the patient collecting all of their feces into a container. The container is thoroughly mixed to homogenize the feces, without using specific mixer equipment. A small sample from the feces is collected.
Defibrillation is a treatment for life-threatening cardiac arrhythmias, specifically ventricular fibrillation (V-Fib) and non-perfusing ventricular tachycardia (V-Tach). [1] [2] A defibrillator delivers a dose of electric current (often called a counter-shock) to the heart.
In 2001, the FDA approved the LifeVest wearable cardioverter defibrillator (model 2000). [27] [28] [29] The Lifecor business was acquired by ZOLL Medical Corporation in 2006 and Asahi Kasei in 2012. As of 2015, the LifeVest was available in the United States, Europe, Japan, Australia, Israel and Singapore. [30]
Other tests such as cardiac stress testing may be included in an evaluation but are not exclusive to electrophysiology. Electrocardiogram; Ambulatory electrocardiographic monitoring (Holter and event monitor recording and interpretation) Tilt table testing; T-wave alternans testing
An automated external defibrillator or automatic electronic defibrillator (AED) is a portable electronic device that automatically diagnoses the life-threatening cardiac arrhythmias of ventricular fibrillation (VF) and pulseless ventricular tachycardia, [1] and is able to treat them through defibrillation, the application of electricity which stops the arrhythmia, allowing the heart to re ...
A defibrillator — either implanted or external — delivers an electrical current that results in the entire myocardium simultaneously depolarized thereby stopping the arrhythmia. [100] Defibrillators can deliver energy as monophasic or biphasic waveforms, although biphasic defibrillators are now the most common.
Subcutaneous implantable cardioverter defibrillator, or S-ICD, is an implantable medical device for detecting and terminating ventricular tachycardia and ventricular fibrillation in patients at risk of sudden cardiac arrest. [1]