A patient is experiencing severe chest pain and dyspnea. He is nauseated and extremely diaphoretic, BP is 78/42, pulse is tachycardic, and respirations 36. The patient weighs 190 pounds. ECG shows the following rhythm. Initial treatment should include

The BP is now 88/50, pulse 46, respirations 40. Lung sounds reveal increased pulmonary congestion. Continued management should include·

The intrinsic firing rate of the AV node is

A healthy female is being transported for preterm labor contractions. Per protocol, she is lying slightly tilted on her left side, is on oxygen via nonrebreather mask, and an IV is established at KVO. You place her on the monitor and notice the following rhythm. The rhythm is

The period of the cardiac cycle when stimulation may produce depolarization is the

To administer 2 mg/min of lidocaine using the mixture of 2 grams in 500 cc and 60 gtt/ml tubing, you will administer how many drops a minute?

Your chest pain patient suddenly becomes lethargic. BP is 82/40, pulse 36, respirations 10. You note the following rhythm on the monitor. Treatment should include

________seconds are measured in each large box on ECG graph paper.

When performing transcutaneous pacing, the paramedic should increase the delivered until mechanical capture is obtained.

You just delivered one shock to a patient in ventricular fibrillation. The monitor now shows asystole. You confirm in two leads. Your next action is to