Podcast
Questions and Answers
What effect do dysrhythmias have on cardiac output (CO)?
What effect do dysrhythmias have on cardiac output (CO)?
- They have no effect on CO.
- They decrease CO by altering stroke volume and heart rate. (correct)
- They only affect heart rate without impacting stroke volume.
- They increase CO by raising stroke volume.
Which of the following correctly describes the function of the semilunar valves?
Which of the following correctly describes the function of the semilunar valves?
- They open with ventricular diastole.
- They close during ventricular diastole.
- They open with ventricular systole. (correct)
- They prevent backflow into the atria.
In which part of the heart does unoxygenated blood return through the vena cava?
In which part of the heart does unoxygenated blood return through the vena cava?
- Right ventricle
- Left ventricle
- Right atrium (correct)
- Left atrium
What does the P wave on an ECG represent?
What does the P wave on an ECG represent?
Which structure in the conduction system is responsible for initiating the heart's electrical impulse?
Which structure in the conduction system is responsible for initiating the heart's electrical impulse?
What does the QRS complex on an ECG indicate?
What does the QRS complex on an ECG indicate?
What is the duration of each small square on an ECG paper?
What is the duration of each small square on an ECG paper?
Which of the following includes the anatomical structure that carries oxygenated blood away from the heart?
Which of the following includes the anatomical structure that carries oxygenated blood away from the heart?
How do you calculate the ventricular rate from an EKG strip using the 6 second method?
How do you calculate the ventricular rate from an EKG strip using the 6 second method?
What indicates a regular rhythm in heart measurements?
What indicates a regular rhythm in heart measurements?
Which of the following describes the normal appearance of P waves?
Which of the following describes the normal appearance of P waves?
When assessing P waves, what is one of the questions to ask?
When assessing P waves, what is one of the questions to ask?
What is the normal duration range for a P wave?
What is the normal duration range for a P wave?
What does a PR interval measure?
What does a PR interval measure?
How is an irregular rhythm identified?
How is an irregular rhythm identified?
What is a likely cause for variation in P wave appearance?
What is a likely cause for variation in P wave appearance?
Which condition is NOT a cause of heart palpitations?
Which condition is NOT a cause of heart palpitations?
What is the primary goal of rate control treatment for tachyarrhythmias?
What is the primary goal of rate control treatment for tachyarrhythmias?
Which medication is typically NOT used for rate control in tachyarrhythmias?
Which medication is typically NOT used for rate control in tachyarrhythmias?
Which symptom is associated with heart failure (HF)?
Which symptom is associated with heart failure (HF)?
What is unique about atrial flutter compared to other tachyarrhythmias?
What is unique about atrial flutter compared to other tachyarrhythmias?
What is a common psychological trigger for palpitations?
What is a common psychological trigger for palpitations?
What characteristic is typical of tachyarrhythmias?
What characteristic is typical of tachyarrhythmias?
Which of the following is a classic sign of cardiac issues related to hypertensive heart disease?
Which of the following is a classic sign of cardiac issues related to hypertensive heart disease?
What is the typical rate of cardiac output when the SA and AV nodes have failed?
What is the typical rate of cardiac output when the SA and AV nodes have failed?
Which symptom may be present due to compromised cardiac output?
Which symptom may be present due to compromised cardiac output?
What defines a run of ventricular tachycardia?
What defines a run of ventricular tachycardia?
Which is a characteristic of monomorphic VT?
Which is a characteristic of monomorphic VT?
What should not be used for treating ventricular rhythms as they can further reduce heart rate?
What should not be used for treating ventricular rhythms as they can further reduce heart rate?
What characterizes torsades de pointes?
What characterizes torsades de pointes?
Which condition is often well-tolerated and does not usually require treatment?
Which condition is often well-tolerated and does not usually require treatment?
What is a common sign of hypoperfusion?
What is a common sign of hypoperfusion?
What characterizes asystole in a patient?
What characterizes asystole in a patient?
What is a common cause of Pulseless Electrical Activity (PEA)?
What is a common cause of Pulseless Electrical Activity (PEA)?
What is the primary initial treatment for a patient presenting with PEA?
What is the primary initial treatment for a patient presenting with PEA?
Which of the following statements about asystole is true?
Which of the following statements about asystole is true?
What distinguishes asystole from ventricular fibrillation (VF)?
What distinguishes asystole from ventricular fibrillation (VF)?
In which scenario is the prognosis-patient with asystole considered very poor?
In which scenario is the prognosis-patient with asystole considered very poor?
Which of the following conditions can lead to PEA?
Which of the following conditions can lead to PEA?
How should asystole be confirmed in a patient?
How should asystole be confirmed in a patient?
