Which of the following devices is used to reverse cardiac arrhythmias?

Rationale

External defibrillator is used to reverse cardiac arrhythmias.

An external defibrillator delivers a controlled electric shock to the heart to restore a normal rhythm during life-threatening arrhythmias, such as ventricular fibrillation or pulseless ventricular tachycardia.

A (Electrocardiograph) YOUR ANSWER

An electrocardiograph is a diagnostic device that records the electrical activity of the heart over time but does not actively treat arrhythmias. It is primarily used for monitoring and diagnosing heart conditions rather than reversing them.

B (External defibrillator) CORRECT

This device is specifically designed to treat certain types of cardiac arrhythmias by delivering an electric shock to the heart, thereby restoring a normal rhythm. It is a critical tool in emergency medical situations and is essential for managing severe arrhythmias effectively.

C (Glucometer) YOUR ANSWER

A glucometer is used to measure blood glucose levels in individuals with diabetes. It has no role in the diagnosis or treatment of cardiac arrhythmias and is unrelated to heart function.

D (Holter monitor) YOUR ANSWER

A Holter monitor is a portable device that continuously records the heart's rhythms for 24 hours or more to detect arrhythmias. While it helps in diagnosis, it does not provide any therapeutic intervention for arrhythmias.

E (Pocket mask) YOUR ANSWER

A pocket mask is a barrier device used in CPR to provide rescue breaths to a patient. It is not designed to treat arrhythmias and does not have any electrical capability to influence heart rhythm.

Conclusion

The external defibrillator stands out as the only device listed that actively reverses cardiac arrhythmias by delivering electric shocks to restore normal heart rhythm. Other devices, such as the electrocardiograph and Holter monitor, serve diagnostic purposes, while glucometers and pocket masks are unrelated to cardiac rhythm management. Understanding the specific functions of these devices is critical for effective emergency response in cases of cardiac arrhythmias.

Which of the following devices is used to reverse cardiac arrhythmias?

External defibrillator is used to reverse cardiac arrhythmias.

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