A 30-year-old suddenly developed a two- to three-minute grand ma! seizure. On scene you find an unconscious and unresponsive patient with the following vital signs: BP 178/100, pulse 50 and regular, respiratory rate 32 and irregular. He has no history of substance abuse but has complained of headaches for the past two weeks. His blood glucose registers 110.The patient is now exhibiting decorticate posturing to painful stimuli. These are signs that indicate

You respond to a possible drowning call. On arrival, you find bystander CPR in progress on a male patient in his thirties. Your first action should be

Procainamide administration should be discontinued if which of the following occurs?

On an ECG tracing, the P wave indicates·

In Lead III placement, the positive lead is located on the

You encounter a patient with a P-R interval of 0.16, a QRS duration of 0.08, and a regular R-R interval. This patient is in

When performing CPR on an adult in cardiac arrest, it is important to

A patient experiencing a hypertensive crisis should receive the following medication:

You just administered atropine 0.5 mg for a patient with a symptomatic bradycardia and multifocal PVCs. Suddenly your patient becomes unconscious and goes into ventricular fibrillation. Your next action is to

You arrive on scene of a patient who has had steadily worsening chest pain for four hours. He has taken 12 nitroglycerin with no relief. The best description of this type of chest pain is