Master Sinus Arrhythmia in One Minute

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What are the ECG features of sinus arrhythmia?
a) Irregular Rhythm
b) The RR intervals vary in a cyclic pattern, corresponding to the phases of respiration (shorter during inspiration, longer during expiration)
c) Each P wave is followed by a QRS complex.
d) P waves are of consistent shape and size.
e) The PR interval is within the normal range.
f) The QRS complexes are narrow and consistent.
g) Sinus arrhythmia is typically identified by its characteristic pattern of heart rate variation with respiration, which is considered a normal physiological response rather than a pathological condition.
h) All of the above
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All of the above
#sinus
#arrhythmia
#exam
Professor Armen Astvatsatryan, MD, PhD, ScD, FESC. First Dean and Founder of Faculty of Public Health of European Regional Educational Academy (now University). One of 100 of the International Biographical Center`s (Cambridge, England) Top Health Professionals - 2007.
[email protected]
https://t.me/ugolokdoctora
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