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HCA ECG Test Exam With Answers 2024/2025 sinus dysrhythmia same as sinus rhythm but with a pattered irregularity

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HCA ECG Test Exam With Answers 2024/2025 sinus dysrhythmia same as sinus rhythm but with a pattered irregularity

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HCA ECG Test Exam With Answers 2024/2025


sinus dysrhythmia
same as sinus rhythm but with a pattered irregularity

faster than slower then faster than slower




Sinus arrest
pause in sinus rhythm




Wandering atrial pacemaker
shift between SA node and AV node
3 different looking P waves
Rate: 60-100
Regularity: slightly irregular
P waves: at least 3 different ones
QRS: normal
PR: vary when P wave is present
QT: normal




Premature atrial complexes
early beats

Rate: depends on underlying
Regularity: irregular because of the early beat
P waves: different than underlying
QRS: normal

, PR: vary on early beat
QT: normal




Atrial tachycardia
rapid dysrhythmia from atria

so fast it overrides SA node
Rate: 150-250
Regularity: normal
P waves: depending on underlying
QRS: normal
PR: depends
QT: normal




Supraventricular tachycardia
anything over 150




Atrial flutter
Rate: 250-350
Regularity: depends
P waves: absent
QRS: normal
OR: na
QT: na
Rate: 20-40
Regularity: regular
P waves: no
QRS: wide and bizarre
PR: no

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