Chapters Archive – Page 21 of 22 – The Cardiovascular

Figure 1. Two types of junctional (escape) rhythm.

Junctional rhythm (escape rhythm) and junctional tachycardia

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Figure 1. Hallmarks of pre-excitation on the ECG.

Pre-excitation, Atrioventricular Reentrant (Reentry) Tachycardia (AVRT), Wolff-Parkinson-White (WPW) syndrome

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Figure 2. Types of atrioventricular nodal reentry tachycardia (AVNRT).

Atrioventricular nodal reentry tachycardia (AVNRT): ECG features & management

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Figure 3. Atrial tachycardia.

Ectopic atrial rhythm (EAT), atrial tachycardia (AT) & multifocal atrial tachycardia (MAT)

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Figure 1. Typical atrial flutter.

Atrial flutter: classification, causes, ECG criteria and management

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Figure 4. ECG showing Ashman's phenomenon during atrial fibrillation.

Atrial fibrillation: ECG, classification, causes, risk factors & management

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Figure 1. ECG showing sinus tachycardia. Paper speed 25 mm/s. Calculate the heart rate by dividing 300 by the number of large boxes between R-waves. There are approximately 3 large boxes between the R-waves; 300/3 equals 100 beats per minute.

Sinus tachycardia & Inappropriate sinus tachycardia

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Sinus node dysfunction (SND) and sick sinus syndrome (SSS)

Sinus node dysfunction (SND) and sick sinus syndrome (SSS)

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Figure 1. Sinus bradycardia. Paper speed 25 mm/s. Calculate the rate by dividing 300 by the number of large boxes between two cycles (e.g between two R waves). As seen in the figure, there are approximately 6.5 large boxes between two R waves. 300/6.5 equals 46 beats/min.

Sinus bradycardia: definitions, ECG, causes and management

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Figure 1. Sinus arrhythmia (respiratory sinus arrhythmia).

Sinus arrhythmia (respiratory sinus arrhythmia)

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