Which of the following would be the greatest hazard associated with the usage of an artificial external pacemaker?

Second Degree Heart Block is caused by:

Identify the 12 lead.

What is an early effect of a tension pneumothorax on the heart?

A patient’s ECG shows a rhythm at a rate of 42, regular RR intervals, a PR interval of 0.16 seconds, and a QRS of 0.12 seconds. This best fits the criteria for:

Your patient presents with bilateral leg and presacral edema. You should suspect

In the prehospital setting, which vasopressor is most commonly used in adult cardiogenic shock?

The development of Q waves on a 12 lead ECG tracing suggests

In lead II you notice inverted P waves with shortened P-R intervals. The QRS complex isnormal. What type of dysrhythmia should you suspect?

An adult complains of acute dyspnea with mild, localized chest discomfort that onset atrest but has worsened over the past hour. He denies past cardiac history. Two weeks ago, hebroke his leg and is in an above-the-knee cast. Vital signs are BP 192/104, P 102, R 28. Lungssounds are clear bilaterally. You should suspect