EKG Questions and Answers | Latest
Version | 2024/2025 | Correct & Verified
What does the P wave represent in an EKG?
✔✔ Atrial depolarization
What is the normal duration of the QRS complex?
✔✔ Less than 0.12 seconds
Which part of the EKG represents ventricular repolarization?
✔✔ T wave
What is the usual heart rate range for a normal sinus rhythm?
✔✔ 60 to 100 beats per minute
What does a prolonged PR interval indicate?
✔✔ First-degree heart block
1
,What rhythm is characterized by a chaotic, irregular baseline with no identifiable P waves?
✔✔ Atrial fibrillation
What does ST-segment elevation suggest in an EKG?
✔✔ Possible myocardial infarction
Which electrolyte imbalance can cause peaked T waves?
✔✔ Hyperkalemia
What does a U wave on an EKG typically indicate?
✔✔ Hypokalemia
Which lead is most commonly used to monitor rhythm strips?
✔✔ Lead II
What is the term for three or more consecutive PVCs?
✔✔ Ventricular tachycardia
2
, What is the primary pacemaker of the heart?
✔✔ Sinoatrial (SA) node
Which EKG abnormality is commonly seen in pulmonary embolism?
✔✔ S1Q3T3 pattern
What does a delta wave on an EKG suggest?
✔✔ Wolff-Parkinson-White syndrome
What is the normal duration of the PR interval?
✔✔ 0.12 to 0.20 seconds
What heart rhythm is described as having a sawtooth pattern?
✔✔ Atrial flutter
Which arrhythmia is life-threatening and requires immediate defibrillation?
✔✔ Ventricular fibrillation
3
Version | 2024/2025 | Correct & Verified
What does the P wave represent in an EKG?
✔✔ Atrial depolarization
What is the normal duration of the QRS complex?
✔✔ Less than 0.12 seconds
Which part of the EKG represents ventricular repolarization?
✔✔ T wave
What is the usual heart rate range for a normal sinus rhythm?
✔✔ 60 to 100 beats per minute
What does a prolonged PR interval indicate?
✔✔ First-degree heart block
1
,What rhythm is characterized by a chaotic, irregular baseline with no identifiable P waves?
✔✔ Atrial fibrillation
What does ST-segment elevation suggest in an EKG?
✔✔ Possible myocardial infarction
Which electrolyte imbalance can cause peaked T waves?
✔✔ Hyperkalemia
What does a U wave on an EKG typically indicate?
✔✔ Hypokalemia
Which lead is most commonly used to monitor rhythm strips?
✔✔ Lead II
What is the term for three or more consecutive PVCs?
✔✔ Ventricular tachycardia
2
, What is the primary pacemaker of the heart?
✔✔ Sinoatrial (SA) node
Which EKG abnormality is commonly seen in pulmonary embolism?
✔✔ S1Q3T3 pattern
What does a delta wave on an EKG suggest?
✔✔ Wolff-Parkinson-White syndrome
What is the normal duration of the PR interval?
✔✔ 0.12 to 0.20 seconds
What heart rhythm is described as having a sawtooth pattern?
✔✔ Atrial flutter
Which arrhythmia is life-threatening and requires immediate defibrillation?
✔✔ Ventricular fibrillation
3
