A&C Practice Dysrhythmias 2 Questions and Answers Graded A+
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A&C Practice Dysrhythmias 2
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A&C Practice Dysrhythmias 2
A&C Practice Dysrhythmias 2 Questions
and Answers Graded A+
What is a common sign of atrial fibrillation (AFib)?
A common sign of AFib is an irregular and often rapid heart rate, which may be felt as
palpitations in the chest or as a fluttering sensation.
What does a prolonged PR interva...
A&C Practice Dysrhythmias 2 Questions
and Answers Graded A+
What is a common sign of atrial fibrillation (AFib)?
✔✔A common sign of AFib is an irregular and often rapid heart rate, which may be felt as
palpitations in the chest or as a fluttering sensation.
What does a prolonged PR interval indicate in an electrocardiogram (ECG)?
✔✔A prolonged PR interval may indicate a first-degree heart block, where the electrical impulse
takes longer than normal to travel from the atria to the ventricles.
What are the key characteristics of ventricular tachycardia (VT)?
✔✔Ventricular tachycardia is characterized by a rapid heart rate originating in the ventricles,
typically greater than 100 beats per minute, and may present as wide QRS complexes on an
ECG.
How do you distinguish between supraventricular tachycardia (SVT) and atrial fibrillation
(AFib)?
✔✔SVT typically presents with a regular, rapid heart rate originating above the ventricles, while
AFib shows an irregular and often chaotic rhythm without discernible P waves.
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, What treatment is commonly used for symptomatic bradycardia?
✔✔For symptomatic bradycardia, atropine is often administered to increase the heart rate, and in
some cases, a temporary pacemaker may be used if the condition persists.
What is the primary concern with untreated ventricular fibrillation (VF)?
✔✔The primary concern with untreated VF is that it can lead to immediate cardiac arrest due to
the heart’s inability to pump blood effectively, which requires rapid defibrillation.
How can you identify a junctional rhythm on an ECG?
✔✔A junctional rhythm can be identified by an absent or inverted P wave, a normal or slightly
shortened PR interval, and a regular rhythm originating from the AV junction.
What does a "normal sinus rhythm" indicate about the heart’s electrical activity?
✔✔A normal sinus rhythm indicates that the heart’s electrical impulses originate from the
sinoatrial (SA) node and are conducted in a regular, consistent pattern.
What is the significance of QRS widening on an ECG?
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