LMH ED Technician Cardiac Rhythm Quiz

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| By AmandaWalter80

AmandaWalter80

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Quizzes Created: 1 | Total Attempts: 1,261

Questions: 12 | Attempts: 1,261 | Updated: Jul 25, 2024

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Lmh Ed Technician Cardiac Rhythm Quiz - Quiz

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Questions and Answers

1.

Identify this cardiac rhythm:
- A.
  
  Sinus Tachycardia
- B.
  
  Supraventricular Tachycardia (SVT)
- C.
  
  Atrial Fibrillation
Correct Answer
B. Supraventricular Tachycardia (SVT)

Explanation
The correct answer is Supraventricular Tachycardia (SVT). Sinus tachycardia refers to a fast heart rate originating from the sinoatrial (SA) node, but in this case, the rhythm is not originating from the SA node. Atrial fibrillation is characterized by irregular and chaotic atrial activity, which is not present in the given rhythm. SVT is a fast heart rhythm that originates above the ventricles, typically in the atria or the atrioventricular (AV) node. Therefore, SVT is the most appropriate identification for the given cardiac rhythm.

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2.

Identify this cardiac rhythm:
- A.
  
  Atrial Flutter
- B.
  
  Atrial Fibrillation
- C.
  
  Normal Sinus Rhythm
Correct Answer
A. Atrial Flutter

Explanation
Atrial flutter is a cardiac rhythm characterized by rapid and regular atrial contractions at a rate of 250-350 beats per minute. The atria contract in a sawtooth pattern, resulting in a "flutter" appearance on an ECG. This rhythm is often associated with a regular ventricular response, but can also lead to a rapid ventricular rate. Atrial flutter is distinct from atrial fibrillation, which is characterized by chaotic and irregular atrial contractions. Normal sinus rhythm refers to a regular and normal heart rhythm with a rate of 60-100 beats per minute.

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3.

Identify this cardiac rhythm:
- A.
  
  Sinus Bradycardia
- B.
  
  Normal Sinus Rhythm
- C.
  
  Atrial Fibrillation
Correct Answer
B. Normal Sinus Rhythm

Explanation
The correct answer is Normal Sinus Rhythm. Sinus rhythm refers to the normal electrical activity of the heart, where the electrical impulses originate from the sinus node. In normal sinus rhythm, the heart rate is within the normal range, typically between 60-100 beats per minute. This rhythm is characterized by regular P waves, a consistent PR interval, and a normal QRS complex. Sinus bradycardia is a slower heart rate, while atrial fibrillation is characterized by irregular and rapid electrical activity in the atria.

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4.

Identify this cardiac rhythm:
- A.
  
  Ventricular Tachycardia
- B.
  
  Atrial Flutter
- C.
  
  Ventricular Fibrillation
Correct Answer
C. Ventricular Fibrillation

Explanation
Ventricular fibrillation is a chaotic and disorganized electrical activity in the ventricles of the heart. It is characterized by rapid, irregular, and ineffective contractions of the ventricles. This rhythm is life-threatening and can lead to cardiac arrest if not treated immediately. It is typically associated with a lack of blood flow to the body and can result in loss of consciousness and death if not corrected with defibrillation.

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5.

Identify this cardiac rhythm:
- A.
  
  Sinus Tachycardia
- B.
  
  Sinus Bradycardia
- C.
  
  Atrial Flutter
Correct Answer
A. Sinus Tachycardia

Explanation
Sinus tachycardia is a cardiac rhythm characterized by a fast heart rate (greater than 100 beats per minute) originating from the sinus node. In this rhythm, the electrical signals in the heart are generated and conducted normally, but at an accelerated rate. Sinus tachycardia can be caused by various factors such as stress, exercise, fever, pain, or certain medications. It is important to differentiate sinus tachycardia from other abnormal rhythms, as the treatment and management may differ.

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6.

Identify this cardiac rhythm:
- A.
  
  Ventricular Tachycardia
- B.
  
  Asystole
- C.
  
  Ventricular Fibrillation
Correct Answer
B. Asystole

Explanation
Asystole is the absence of any electrical activity in the heart, resulting in a flatline on the ECG. It is considered a medical emergency and is often referred to as "cardiac arrest." In asystole, the heart is not contracting or pumping blood, leading to a complete cessation of circulation. This condition requires immediate intervention, such as cardiopulmonary resuscitation (CPR) and advanced life support measures, to restore a normal cardiac rhythm and prevent irreversible damage or death.

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7.

Identify this cardiac rhythm:
- A.
  
  Atrial Flutter
- B.
  
  Normal Sinus Rhythm
- C.
  
  Atrial Fibrillation
Correct Answer
C. Atrial Fibrillation

Explanation
Atrial fibrillation is the correct answer because it is a cardiac rhythm characterized by irregular and rapid atrial contractions. In atrial fibrillation, the atria quiver instead of contracting effectively, leading to an irregular ventricular response. This can result in symptoms such as palpitations, shortness of breath, and dizziness. Atrial flutter, on the other hand, is a regular rhythm characterized by rapid atrial contractions, while normal sinus rhythm refers to the normal electrical activity of the heart.

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8.

Identify this cardiac rhythm:
- A.
  
  Supraventricular Tachycardia (SVT)
- B.
  
  Ventricular Tachycardia
- C.
  
  Ventricular Fibrillation
Correct Answer
B. Ventricular Tachycardia

Explanation
Ventricular tachycardia is a cardiac rhythm characterized by a rapid heart rate originating from the ventricles. It is often associated with a wide QRS complex on an ECG and can be life-threatening if not treated promptly. Symptoms may include palpitations, dizziness, and shortness of breath. Treatment options include medications, cardioversion, or ablation.

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9.

Identify this cardiac rhythm:
- A.
  
  Sinus Bradycardia
- B.
  
  Sinus Tachycardia
- C.
  
  Atrial Flutter
Correct Answer
A. Sinus Bradycardia

Explanation
Sinus Bradycardia is a cardiac rhythm characterized by a slow heart rate, typically less than 60 beats per minute. It is caused by a delay in the electrical signals that regulate the heartbeat, resulting in a slower rhythm. This rhythm is considered normal in some individuals, such as athletes, but can also be a sign of an underlying medical condition or medication side effects. Sinus Bradycardia can cause symptoms such as fatigue, dizziness, and fainting. Treatment may be necessary if the slow heart rate is causing significant symptoms or complications.

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10.

Patients presenting to LMH ED must have an EKG performed within how many minutes of arrival?
- A.
  
  5
- B.
  
  10
- C.
  
  20
Correct Answer
B. 10

Explanation
Patients presenting to LMH ED must have an EKG performed within 10 minutes of arrival. This is important because an electrocardiogram (EKG) is a diagnostic test that measures the electrical activity of the heart. It can help identify any abnormalities or signs of a heart condition. Performing an EKG within 10 minutes allows healthcare providers to quickly assess the patient's heart health and determine the appropriate course of treatment. Timely EKG can help in early detection and management of cardiac issues, potentially saving lives.

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11.

You walk into the room and see the following rhythm on a patient's cardiac monitor. The patient is a "full code" What do you do?
- A.
  
  Check for a pulse and responsiveness. If no pulse, start CPR & call for help/call a code.
- B.
  
  Turn the monitor off.
- C.
  
  Run and hide.
Correct Answer
A. Check for a pulse and responsiveness. If no pulse, start CPR & call for help/call a code.

Explanation
The correct answer is to check for a pulse and responsiveness. This is because the rhythm on the cardiac monitor alone does not provide enough information to determine the patient's condition. Checking for a pulse and responsiveness will help assess the patient's overall status and guide further actions. If there is no pulse, starting CPR and calling for help or activating a code is necessary to initiate life-saving measures. Turning the monitor off or running and hiding would not be appropriate actions in this situation.

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12.

Of the cardiac rhythms listed below, which is the most life-threatening rhythm?
- A.
  
  Sinus Tachycardia
- B.
  
  Atrial Fibrillation
- C.
  
  Ventricular Fibrillation
Correct Answer
C. Ventricular Fibrillation

Explanation
Ventricular fibrillation is the most life-threatening rhythm among the options listed. It is a chaotic and irregular heartbeat that occurs in the lower chambers of the heart. Ventricular fibrillation prevents the heart from pumping blood effectively, leading to a sudden loss of blood flow to the body and vital organs. Without immediate medical intervention, ventricular fibrillation can quickly result in cardiac arrest and death.

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