Pick the best description of the rhythm.

One member of a snowmobile club has become lost. Rescuers find him wet and at the side of a lake. His skin is pale and cold. No palpable pulses are found, and CPR is in progress. V-Tach is seen on the EKG monitor. In this case, the paramedic’s first action is?

A known intravenous drug abuser presents with anorexia, body aches, a low-grade fever, and scleral icterus. She is very quiet and is not willing to share her medical history information with you. Which of the following additional clinical signs would reinforce your suspicion regarding the cause of this patient’s condition?

A 45-year-old woman is complaining of pain in the right upper quadrant of her abdomen. She states the pain began about 3 hours after eating dinner. The patient states she feels nauseated and you note she frequently belches. Her abdomen is soft with guarding noted on palpation of the right upper quadrant. BP 136/84, P 96, R 20. You suspect:

Pick the best description of the rhythm from the following list.

A disadvantage of endotracheal intubation is that it:

Parasympathetic stimulation of the heart results in:

Which of the following solutions is considered the most hypertonic?

Beta-2 response:

You are dispatched at 4AM to a call for a “man who cannot breathe”. The wife tells you that her 58-year-old husband suffers from “heart and lung problems”. His history includes smoking three packs/day for the last twenty years. He has always had a chronic cough which has gotten much worse since he caught a “cold” last week. The last two nights he has had to sit up in order to breathe. You find the husband sitting bolt upright in a kitchen chair. He is an obese man, cyanotic, laboring to breathe. He appears agitated and confused. His pulse relates to the EKG strip above, respirations are 32 and shallow; BP is 100/62. You notice that there are retractions in his supraclavicular and intercostal muscles during respiration. His neck veins are distended. There are fine crackles in both lung bases and wheezes that are more pronounced on exhalation. There is 4+ pitting edema of both feet. The EKG rhythm and field impression is: