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EKG monitor simulation of normal sinus rhythm at a rate of 68bpm.
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Normal Sinus Rhythm (NSR)

Normal Sinus Rhythm (NSR) is the expected rhythm on an EKG in patients without pathophysiology. It is the normal electrical cycle of the heart which was discovered once a tool capable of detecting it was invented; the electrocardiogram (EKG/ECG).

  • Dialed Medic
Dialed Medic May 5, 2022 • 9 min read
EKG monitor simulation of sinus bradycardia at a rate of 42bpm.
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Sinus Bradycardia

Sinus Bradycardia is a Sinus Rhythm with a rate less than 60bpm and is otherwise identical to NSR. This slow rate results in a long R-R Interval on the EKG tracing and fewer complexes per length.

  • Dialed Medic
Dialed Medic May 4, 2022 • 3 min read
EKG monitor simulation of Sinus Tachycardia at a rate of 124bpm.
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Sinus Tachycardia

Sinus Tachycardia is a Sinus Rhythm with a rate greater than 99bpm and is otherwise identical to NSR. This fast rate results in a short R-R Interval on the EKG tracing and more frequent complexes per length.

  • Dialed Medic
Dialed Medic May 3, 2022 • 3 min read
EKG monitor simulation of Supraventricular Tachycardia with a rate of 172bpm.
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Supraventricular Tachycardia (SVT)

Supraventricular Tachycardia is a category rather than specific rhythm. SVTs are tachycardic rhythms which originate above the ventricles.

  • Dialed Medic
Dialed Medic May 2, 2022 • 5 min read
EKG monitor simulation of Atrial Fibrillation at a rate of 65bpm.
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Atrial Fibrillation

Atrial fibrillation is the most common dysrhythmia seen clinically. It is characterized by an irregular rhythm and fibrillation waves on the EKG baseline.

  • Dialed Medic
Dialed Medic May 1, 2022 • 4 min read
Simulated cardiac monitor capture of an AV Pacemaker.
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Atrio-Ventricular Pacemaker

AV Pacemakers can completely replace the pacemaking function of the heart. Artificial spikes before each wave of an EKG are indicative of implanted pacemaker activity.

  • Dialed Medic
Dialed Medic Apr 30, 2022 • 4 min read
EKG monitor simulation of Ventricular Tachycardia at a rate of 152bpm.
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Ventricular Tachycardia

Ventricular Tachycardia (VT) is a potentially lethal rhythm in which the ventricles have taken over pacemaking at a tachycardic rate. VT is characterized by wide QRS complexes at a rapid rate and regular rhythm.

  • Dialed Medic
Dialed Medic Apr 29, 2022 • 3 min read
EKG monitor simulation of Atrial Fibrillation at a rate of 152bpm.
ekg

Ventricular Fibrillation

Ventricular Fibrillation (VF, VFib) is a lethal rhythm defined by disorganized electrical activity of the ventricles. On the EKG it creates random, erratic deflections with no discernible pattern.

  • Dialed Medic
Dialed Medic Apr 28, 2022 • 2 min read
EKG monitor simulation of Asystole.
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Asystole

Asystole is the absence of electrical activity. It creates a nearly flat EKG tracing and is considered cardiac arrest.

  • Dialed Medic
Dialed Medic Apr 27, 2022 • 1 min read
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