A patient presents with severe substernal chest pain

The patient exclaims, "This is the most severe pain I have ever felt!" The patient reports that the pain came on suddenly about 2 hours ago and that three sublingual nitroglycerin tablets have not relieved the pain. The 12-lead ECG reveals only the following abnormalities: T-wave inversion in leads I, aVL, V4, and V5; pathologic Q waves in leads II, III, and aVF; ST segment elevation in leads V1, V2, V3, and V4 . Which of the following is probably accurate about this patient?

a. This patient has an old lateral wall infarction.
b. This patient is having an inferior wall infarction.
c. This patient is having an acute anterior wall infarction.
d. This patient is having a posterior wall infarction.


C
Acute anterior wall infarctions are manifested by electrocardiographic (ECG) changes in leads V2 to V4 . Inferior infarctions are manifested by ECG changes in leads II, III, and aVF. Lateral wall infarctions are manifested by ECG changes in leads V5 to V6, I, and aVL. Posterior wall infarctions are manifested by ECG changes in leads V1 to V2 .

Nursing

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Nursing

A patient received a tuberculosis skin test injection of purified protein derivative (PPD) 72 hours ago. Which assessment finding of the test site does the nurse interpret as a positive reaction?

a. The injected area has a blister-like swelling about 2 mm high and 2 mm in di-ameter. b. The injection site is puffy and soft with pus oozing from the needle hole. c. The skin is red and very hard for 12 mm around the injection site. d. There is a large bruise surrounding the injection site.

Nursing

Calculate the flow rate to be administered by an infusion pump: ________.Ordered: 250 mg ampicillin in 50 mL NS to infuse over 20 min

Fill in the blank(s) with the appropriate word(s).

Nursing