An electrocardiogram (ECG) undertaken during an episode of AVRT demonstrates typical features of retrograde (inverted) p-waves in the inferior leads II, III, aVF, and V4–V6 with a long RP′ interval. The P:QRS ratio would be 1:1 and they would be narrow complexes. Treatment
Termination of an episode of AVRT in PJRT can be achieved with vagal manouvres, antiarrhythmic medications or DC cardioversion. Long-term management is best achieved with catheter ablation. Prognosis
Without treatment, the prevalence of tachycardia-induced cardiomyopathy has been reported to be between 20% and 50%, however most patients who undergo ablation have significant improvement in their cardiac function 


== References ==
Brain fag syndrome (BFS) describes a set of symptoms; somatic, sleep-related and cognitive complaints, difficulty in concentrating and retaining information, head and or neck pains, and eye pain. Brain Fag is very common in adolescents and young adults. It is believed to be the most common in these age ranges due to the immense amount of pressure occurring in life during these years. The condition was arguably first described in Nigerian high school and university students in the 1960s. It is considered a culture-bound syndrome caused by excessive pressure to be successful among the young. Etymology
The term brain fag presumably stems from the verb meaning of the word, "To cause (a person, animal, or part of the body) to become tired; to fatigue, wear out" chiefly found in British English. Classification
BFS is classified in the fourth revision of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) as a culture-bound syndrome. Individuals with symptoms of brain fag must be differentiated from those with the syndrome according to the Brain Fag Syndrome Scale (BFSS); Ola et al said it would not be "surpris[ing] if BFS was called an equivalent of either depression or anxiety". Causes
Brain Fag is typically driven in people with high anxiety and people with high stress levels. Morakinyo found in 20 people with BFS an achievement drive that was anxiety-related that led to the use of psychostimulants and consequent sleep deprivation which contributed to cognitive disruption. Omoluabi related BFS to test anxiety.