During which phase of the cardiac cycle does ventricular filling begin?
A) Systole
B) Diastole
C) Refractory
D) Absolute refractory
B
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In addition to its anticonvulsant activity, phenytoin is also indicated in the treatment of cardiac arrhythmias due to:
a. Hypoxia b. Benzodiazepine overdose c. Narcotic overdose d. Digitalis toxicity
On scene, you encounter a restless patient who has been stabbed in the right upper quadrant of the abdomen and complaining of abdominal pain and a dry mouth. Assessment reveals no immediate life threats to the airway or breathing. The radial pulse is rapid and weak and the skin cool and diaphoretic. Vital signs are: pulse 124, respirations 20, blood pressure 122/88, and SpO2 97%. The injury is
isolated with no involvement of the head, neck, or back. In managing the scene and patient, what observation would cause you to immediately intervene? A) EMR holding manual in-line spinal stabilization B) Application of high-concentration oxygen with SpO2 of 97% C) EMR covering the stab wound with a nonsterile glove D) Family giving the patient water to drink
__________________ is a part of a fire sprinkler system's water supply and can be powered by electric, diesel, or steam
a. A fire department connection (FDC) b. A heat detector c. A fire pump d. A water tank
You determine a patient's heart rate to be 48 beats per minute. That heart rate would be categorized as:
A) bradycardic. B) normal. C) tachypneic. D) tachycardic.