A nurse is reinforcing teaching with a client who uses a nitroglycerine patch to treat angina. The client now has a new prescription for nitroglycerin sublingual tablets. Which of the following instructions should the nurse include?

A. The ST segment is elevated above the isoelectric line: This is correct. ST-segment elevation is a key ECG finding in acute myocardial infarction. It indicates that a portion of the heart muscle is not receiving enough blood (ischemia), which can lead to tissue damage or death (infarction).

B. The PR intervals are 0.15 second: While the PR interval is an important part of the ECG, a PR interval of 0.15 second is within the normal range and does not indicate an acute myocardial infarction.

C. The QT interval is equal to the R to R interval: The QT interval represents the time from the start of the Q wave to the end of the T wave, encompassing ventricular depolarization and repolarization. While prolonged or shortened QT intervals can be associated with certain cardiac conditions, they are not specific indicators of an acute myocardial infarction.

D. The QRS intervals are 0.08 second: The QRS interval represents ventricular depolarization1. A QRS interval of 0.08 second is within the normal range and does not indicate an acute myocardial infarction.

A. Data collection:

Data collection is the initial step of the nursing process where the nurse gathers information about the client's health status, including physical, psychological, sociocultural, and spiritual factors. While data collection is essential for planning, in this scenario, the nurse is already involved in the collaborative process of preparing a discharge plan, indicating the phase of planning.

B. Planning:

Planning involves developing a comprehensive plan of care based on the assessment data collected. It includes setting priorities, establishing goals, identifying interventions, and coordinating resources to meet the client's needs. In this scenario, the nurse, social worker, and physical therapist are working together to plan the client's discharge, which involves determining the appropriate support, resources, and interventions needed for a successful transition.

C. Evaluation:

Evaluation occurs after implementation, where the nurse assesses the client's response to the interventions implemented and determines whether the goals and outcomes have been achieved. While evaluation is an essential part of the nursing process, it occurs after planning and implementation.

D. Implementation:

Implementation involves carrying out the plan of care developed during the planning phase. It includes initiating interventions, providing treatments, and coordinating care to meet the client's needs. In this scenario, the nurse, social worker, and physical therapist are in the process of developing the discharge plan, which precedes implementation.