Which of the following are common causes of ventricular tachycardia?1. Myocardial infarction2. Coronary artery disease3. Hypertensive heart disease4. Pericarditis

The __________ valve is located between the right atrium and the right ventricle.

Which of the following axis placements represents right-axis deviation?

A patient who has been diagnosed with myocardial infarction is getting an ECG. The ECG trace shows a series of nonconducted P waves followed by a P wave that is conducted to the ventricles. The ratio of nonconducted to conducted P waves is fixed at 4:1. What plan for treatment should this patient receive?1. Rapid defibrillation2. Atropine3. Cardioversion4. Pacemaker

What term is used to define the ability of certain cardiac cells to depolarize without stimulation?

A QRS axis at -120 degrees is indicative of:

A patient taking an ECG shows a regular sawtooth pattern with 30 P waves within a 6-sec interval (30 large boxes). What course of treatment should this patient receive for this arrhythmia?1. Calcium channel blockers2. Digoxin3. Beta Blockers4. Defibrillation

What conclusions can you draw from the following data, obtained on a 32-year-old 53-kg woman admitted for elective surgery?ActualPredicted%PredictedTLC4.935.2794%FRC2.412.4399%RV1.291.3596%VC3.643.8694%FVC3.673.8695%FEV1/FVC84%78%FEF200-12005.665.7499%FEF25%-75%3,533.49101%    

A patient has an expired minute ventilation of 11.2 L/min and a ventilatory rate of 20/min. What is the average VT?

You have just given your patient a 0.03 mg/ml dose of methacholine to assess for asthma. The subsequent forced vital capacity (FVC) shows no change. What should you do next?