Download 150 Practice ECGs: Interpretation and Review by George J. Taylor PDF

By George J. Taylor

The 3rd version of a hundred and fifty perform ECGs: Interpretation and evaluation combines perform tracings with scientific cardiology, supplying scholars with the sensible wisdom essential to learn, interpret, and comprehend ECGs. This crucial evaluate booklet is geared up into 3 sections: introductory textual content reviewing ECG diagnostic standards, pathophysiology, and medical correlation; a hundred and fifty ECG tracings with a quick scientific heritage; and interpretation and instructing issues for every of the one hundred fifty ECGs. one hundred fifty perform ECGs: Interpretation and overview, third version is perfect as an introductory textual content for clinical and nursing scholars at any level of teaching, for citizens and fellows as a refresher earlier than board tests, and for the delicate student/teacher as a accomplished educating dossier.

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Sample text

Relaxing the diagnostic criteria, by using voltage alone for example, increases sensitivity but also increases the number of false positives. This choice between sensitivity and specificity is a common dilemma when reading ECGs. 3)'(4 In general, avoid overdiagnosis. Left ventricular hypertrophy (LVH) demonstrates the importance of this principle. Young people often have high QRS voltage, particularly if thin or athletic. Using voltage alone to diagnose LVH could mean assigning that diagnosis to a healthy person.

At times you cannot. The clinical setting helps. A young patient with a history of PSVT, no other heart disease, wide-complex tachycardia, and no alteration of consciousness is likely to have PSVT with bypass tract reentry. An older patient with a history of heart failure or MI, and who has had syncope or near-syncope, should be treated assuming a diagnosis of VT. When in doubt, it is hard to go wrong treating the arrhythmia as probable VT. Direct current (DC) cardioversion is appropriate if the patient is unstable.

Most antiarrhythmic drugs have a paradoxical proarrhythmic action; torsade is the typical arrhythmia that may be caused by the class IA drugs (quinidine, procainamide, and disopyramide). 2). 3)'(4 Serious ventricular arrhythmias occur in patients with left ventricular (LV) dysfunction. And those with LV dysfunction usually have ventricular arrhythmias. This association is so reliable that the syncope workup includes an echocardiogram. A normal LV excludes ventricular tachycardia. Furthermore, a severely depressed LV is an indication for prophylaxis with an implantable defibrillator, even without symptoms.

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