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Fig. 17. A surface EKG (above) and pacemaker marker channel (below) printed from a programmer. Note the ventricular oversensing (indicated by the arrows); notice that no QRS complex is associated with the detected event.

Fig. 17. A surface EKG (above) and pacemaker marker channel (below) printed from a programmer. Note the ventricular oversensing (indicated by the arrows); notice that no QRS complex is associated with the detected event.

Table 5

Effect of Antiarrhythmic Drugs on Pacing Thresholds

Table 5

Effect of Antiarrhythmic Drugs on Pacing Thresholds

Increase at normal drug levels

Increase at toxic drug levels

No increase

Flecainide

Quinidine

Lidocaine

Propafenone

Procainamide

Mexiletine

Amiodarone

Disopyramide

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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