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Additional info for ACLS review made incredibly easy!
QT interval: Within normal limits but commonly shortened. indd 29 10/7/2011 4:17:54 PM RECOGNIZING CARDIAC ARRHYTHMIAS 30 What to look for • Usually no symptoms • Rapid, regular pulse 100 to 150 beats/minute • Palpitations or angina caused by increased myocardial oxygen consumption and reduced coronary blood flow How it’s treated • Treatment aims to correct the underlying cause. • If the patient is symptomatic, a beta-adrenergic blocker such as metoprolol (Lopressor) may be given. Atrial fibrillation Atrial fibrillation, usually called A-fib, is defined as chaotic, asynchronous, electrical activity in atrial tissue.
Select the lead you wish to view following the monitor’s instructions. Let me get this straight — you attach electrodes and wires to the chest and then we get this? That’s right. The rhythm strip from an ECG monitor tells us all about your electrical activity. Interpreting rhythm strips: An eight-step method You can learn to analyze and interpret ECGs systematically and correctly by using this eight-step method. First, scan the entire strip and identify the waveform components. Then follow these steps.
Generally, PVCs are more serious if they occur in a patient with heart disease. In an ischemic or damaged heart, PVCs are more likely to develop into ventricular tachycardia, flutter, or fibrillation. What the ECG tells you • Rhythm: Atrial and ventricular rhythms are irregular during PVCs; the underlying rhythm may be regular. • Rate: Atrial and ventricular rates reflect the underlying rhythm. • P wave: Usually absent in the ectopic beat; however, may appear after the QRS complex with retrograde conduction to the atria.
ACLS review made incredibly easy! by coll.