Accelerated Idioventricular Rhythm  Show The EKG rhythm will appear regular with heart rate that is normal (60-100 bpm). The P wave is present before, during (hidden) or after QRS. If visible it is inverted. The PR interval is not measurable. The QRS complex will typically be normal (0.06-0.10 sec). Asystole The EKG rhythm will appear irregular. Heart rate is very fast: over 350 bpm for atrial, but ventricular rate may be slow, normal or fast. The P wave features are absent - erratic waves are present. The PR interval is absent. The QRS complex will typically be normal but may be widened if there are conduction delays. Please enroll in one of our paid plans to view an additional 35 EKG abnormalities. Use the Join button in the upper right of this page. Atrial Flutter The atrial heart rate is rapid (250-350 bpm), but ventricular rate is often slower. EKG rhythm will appear more regular thank atrial fibrillar. P wave and PR interval are not observable, but saw-toothed flutter waves are present. The QRS complex will typically be normal (0.06-0.10 sec). Bundle Branch Block The EKG rhythm P wave features should appear normal and the PR interval is normal (0.12-0.20 sec). The QRS complex will typically be wide (>0.12 sec). First Degree Heart Block The P wave will be normal while the PR interval is prolonged (>0.20 sec). The QRS complex will typically be normal (0.06-0.10 sec). A first degree av block occurs when electrical impulses moving through the atrioventricular (AV) node are delayed (but not blocked). The adjective first degree indicates slowed conduction without missed beats. Idioventricular Rhythm The EKG rhythm will appear regular with a very slow heart rate(20-40 bpm). The P wave will be absent and the PR interval is not measurable. The QRS complex will typically be wide (>0.10 sec) and a bizarre appearance. https://app.sendgrid.com/login Junctional Escape Rhythm The EKG rhythm will appear regular. Heart rate that is slow (40-60 bpm). The P wave will be present before, during (hidden) or after QRS, if visible it is inverted. The PR interval is not measurable. The QRS complex will typically be normal (0.06-0.10 sec). Junctional Tachycardia The EKG rhythm will appear regular with a fast heart rate (100-180 bpm). The P wave can appear before, during (hidden) or after QRS, if visible it is inverted. Observe that the PR interval is absent or short. The QRS complex will typically be normal (0.06-0.10 sec). Multifocal
Atrial Tachycardia The EKG rhythm will appear irregular with a fast heart rate (> 100 bpm). The P wave features often change shape and size from beat to beat with at least three differing forms. Observe that the PR interval is variable. The QRS complex will typically be normal (0.06-0.10 sec). In addition, the T wave can be distorted. Normal Sinus Rhythm The EKG rhythm will appear regular with a normal (60-100 bpm) heart rate. The P wave appears normal and precedes each QRS. Observe that the PR interval is normal (0.12-0.20 sec). The QRS complex will typically be normal (0.06-0.10 sec). Pacemaker Failure to Capture The EKG rhythm will appear irregular with heart rate that is slow or normal. Observe that the pacemaker spikes are not followed by p waves or QRS complexes. Pacemaker Failure to Pace The EKG rhythm will appear irregular and pacemaker spikes do not appear. Pacemaker Single Chamber Atrial The EKG rhythm will appear regular with heart rate that is normal. The P wave and PR interval will both appear normal. The QRS complex is also normal. Pacemaker spikes will precede the P wave. Premature Atrial
Complex The EKG rhythm will appear irregular with heart rate that is usually normal but depends on underlying rhythm. The P wave will appear premature, positive and a shape that is abnormal. Observe that the PR interval is normal or longer. The QRS complex will typically be 0.10 sec or less. Premature Junctional
Complex The EKG rhythm will appear regular with premature beats with heart rate that is the underlying rate. The P wave is present before, during (hidden) or after QRS. If the P wave is visible, it is inverted. Observe that the PR interval is absent or short. The QRS complex will typically be normal (0.06-0.10 sec). Premature
Ventricular Complex The EKG rhythm will appear irregular with heart rate that is the underlying rate. The P wave features absent. Observe that the PR interval is not measurable. The QRS complex will typically be wide (> 0.10 sec) with a bizarre appearance. Premature Ventricular Complex Bigeminy The EKG rhythm will appear irregular with an absent P wave and the PR interval is not measurable. The QRS complex will typically be wide (> 0.10 sec) with a bizarre appearance. The PVC appears on every second beat. Premature Ventricular Complex Quadrigeminy The EKG rhythm will appear irregular. The P wave is absent and the PR interval is not measurable. The QRS complex will typically be wide (> 0.10 sec) and bizarre in appearance. The PVC appears every fourth beat. Premature Ventricular Complex Trigeminy The EKG rhythm will appear irregular. The P wave is absent and the PR interval is not measurable. The QRS complex will typically be wide (> 0.10 sec) with a bizarre appearance. The PVC appears every third beat. Second Degree Heart Block Type I The EKG rhythm will appear irregular but with progressively longer pr interval lengthening. The P wave is normal. Observe that the PR interval becomes progressively longer until a QRS complex is missed, then cycle repeats. The QRS complex will typically be normal (0.06-0.10 sec). Second Degree Heart Block
Type II The EKG rhythm will appear regular (atrial) and irregular (ventricular) with heart rate that is characterized by atrial rate that is usually faster than ventricular rate (usually slow). The P wave has a normal form, but more P waves than QRS complexes. The PR interval is normal or prolonged. The QRS complex will typically be normal or wide. Sinoatrial Block The EKG rhythm will appear irregular when SA block occurs with a normal or slow heart rate. The P wave will be normal and the PR interval will be normal (0.12-0.20 sec). The QRS complex will typically be normal (0.06-0.10 sec). The pause time is an integer multiple of the p-p interval.
Sinus Arrest The EKG rhythm will appear irregular due to a pause with heart rate that is normal to slow. The P wave is normal. The PR interval is normal (0.12-0.20 sec). The QRS complex will typically be normal (0.06-0.10 sec). Pause time is not an integer multiple of the p-p interval. Sinus Arrhythmia The EKG rhythm will appear irregular, varying with respiration with heart rate that is normal (60-100 bpm) and rate may increase during inspiration. The P wave is normal and the PR interval is also normal (0.12-0.20 sec). The QRS complex will typically be normal (0.06-0.10 sec). Heart rate frequently increases with inspiration, decreasing with expiration. Sinus
Bradycardia The EKG rhythm will appear regular with a slow heart rate (under 60 bpm). The P wave and the PR interval are normal. The QRS complex will typically be normal (0.06-0.10 sec). Sinus Tachycardia The EKG rhythm will appear regular with a fast heart rate (> 100 bpm). The P wave normal but may merge with T wave at very fast rates. Observe that the PR interval is>normal (0.12-0.20 sec). The QRS complex will typically be normal (0.06-0.10 sec). The QT interval shortens with increasing heart rate. Supraventricular Tachycardia The EKG rhythm will appear regular and heart rate that will be fast (150-250 bpm). The P wave will be merged with T wave. The PR interval is normal (0.12 sec) but can be difficult to measure. The QRS complex will typically be normal (.10 sec). Third Degree Heart Block The EKG rhythm will appear regular, but atrial and ventricular rhythms are independent. Heart rate is characterized by atrial rate usually normal but faster than the ventricular rate. The P wave will have normal shape and size but may appear within QRS complexes. The PR interval is absent: the atria and ventricles beat independently. The QRS complex will typically be normal, but wide if junctional escape focus. Ventricular Fibrillation The EKG rhythm will appear highly irregular with an unmeasurable heart rate. The P wave is absent, the PR interval is not measurable and no QRS complex. The EKG tracings is a wavy line. Ventricular Tachycardia The EKG rhythm will appear regular with heart rate that is fast (100-250 bpm). The P wave is absent and the PR interval is not measurable. The QRS complex will typically be wide (>0.10 sec) with a bizarre appearance. Ventricular Tachycardia Monomorphic The EKG rhythm will appear regular with a fast (100-250 bpm) heart rate. The P wave is absent and the PR interval is not measurable. The QRS complex will typically be wide (>0.10 sec) and bizarre looking. Ventricular Tachycardia Polymorphic The EKG rhythm will appear regular or irregular with heart rate that is fast (100-300 bpm). The P wave is absent and the PR interval is not measurable. The QRS complex will typically be normal or wide (>0.10 sec) with a bizarre shape. Ventricular Tachycardia Torsade de Pointes The EKG rhythm will appear irregular with heart rate that is fast (200-250 bpm). The P wave is absent and the PR interval is not measurable. The QRS complex will typically be wide (>0.10 sec). Its shape is characterized by a gradual change in the EKG amplitude and a twisting of the QRS complexes around a line. Wandering Atrial Pacemaker The EKG rhythm will appear may be irregular with a normal heart rate. The P wave can be observed changing shape and size from beat to beat (at least three different forms). The PR interval is variable in duration. The QRS complex will typically be normal (0.06-0.10 sec) and the T wave normal. If heart rate exceeds 100 bpm, then rhythm may be multifocal atrial tachycardia (MAT). Wolff-Parkinson-White Syndrome The EKG rhythm will appear regular unless atrial fibrillation present. Heart rate is normal (60-100 bpm). The P wave is normal. Observe that the PR interval is can be short (less than 0.12 sec). The QRS complex will typically be wide (over 0.12 sec). A delta wave (positive or negative) distorts the early part of the QRS complex. In which one of the following locations should an EKG technician place the electrode for lead V5?EKG test questions. In which one of the following locations should an EKG technician place the electrodes for leads V7 V8 and V9?ekg
When performing a stress test and EKG technician should recognize that the test can be stopped when the patient reaches what percentage of their target heart rate?The treadmill will be stopped when your heart rate reaches a predetermined number of beats–this is usually 85% of the maximal heart rate predicted for the patient's age-but if the patient is doing well at peak exercise the test may be continued further.
When performing a posterior EKG Which of the following is the correct location for placement of lead V8?Leads V7-9 are placed on the posterior chest wall in the following positions: V7 – Left posterior axillary line, in the same horizontal plane as V6. V8 – Tip of the left scapula, in the same horizontal plane as V6.
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An EKG technician is reviewing the ecg tracing of a patient who has ventricular hypertrophy
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