The nurse is caring for a 24 year old post-partum client with a diagnosis of cardiomyopathy. The nurse understands that which of the following types of cardiomyopathy can be associated with childbirth?

Dilated

Restrictive

Hypertrophic

Myocarditis

Answer and Explanation

The Correct Answer is A

A. Dilated: Peripartum cardiomyopathy is a form of dilated cardiomyopathy that can occur during the last month of pregnancy or within five months after delivery. It is characterized by ventricular dilation and impaired systolic function, leading to signs of heart failure in previously healthy women.

B. Restrictive: Restrictive cardiomyopathy is a rare form that involves impaired ventricular filling due to stiffened myocardial walls. It is typically associated with infiltrative diseases like amyloidosis or sarcoidosis, not with pregnancy or the postpartum period.

C. Hypertrophic: Hypertrophic cardiomyopathy is usually genetic and involves thickened ventricular walls, especially the interventricular septum. It is not linked to childbirth and tends to present earlier in life with symptoms like syncope or sudden cardiac death in young athletes.

D. Myocarditis: Myocarditis involves inflammation of the heart muscle due to infection or autoimmune causes. Although it can occur postpartum, it is not specifically associated with childbirth like peripartum cardiomyopathy, which is a distinct clinical entity.

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Correct Answer is A

Explanation

A. Review daily the necessity of the central venous catheter: One of the most effective strategies to reduce the risk of catheter-related bloodstream infections is to remove the central line as soon as it is no longer needed. Daily evaluation of necessity prevents prolonged catheter use, which significantly increases infection risk. Removing the source of potential infection is the ultimate preventative action.

B. Maintain a pressure of 300 mm Hg on the flush bag: While maintaining appropriate flush pressure is important for catheter patency and preventing blood clots, it does not play a direct role in preventing bloodstream infections. This action is more related to ensuring adequate line function rather than infection control.

C. Cleanse the insertion site daily with isopropyl alcohol: Current guidelines recommend using chlorhexidine-based solutions rather than isopropyl alcohol for skin antisepsis due to better antimicrobial efficacy. Daily site care is important, but the choice of antiseptic is critical in reducing infection risk.

D. Change the pressurized tubing system and flush bag daily: Tubing and flush systems should be changed typically every 72–96 hours unless contamination is suspected. Changing them daily is not recommended and does not provide added protection against infection it may even increase risk with unnecessary manipulation.

A. the P-P and R-R distances are equal and regular B. the rhythm rate using a 3-second strip C. the duration of the U waves D. there is a QRS complex after each P wave E. P waves are present, upright and rounded

Correct Answer is ["A","B","D","E"]

Explanation

A. The P-P and R-R distances are equal and regular: Equal and regular spacing between P-P and R-R intervals indicates that both atrial and ventricular rhythms are regular. This is a fundamental aspect of rhythm interpretation, helping to distinguish between regular and irregular rhythms such as atrial fibrillation or sinus arrhythmia.

B. The rhythm rate using a 3-second strip: Assessing the heart rate using a 3-second or 6-second ECG strip helps determine whether the rhythm is bradycardic, tachycardic, or within normal limits, which is crucial for accurate rhythm classification.

C. The duration of the U waves: U waves are typically small and follow the T wave. Although their presence can suggest conditions like hypokalemia, they are not routinely assessed in basic rhythm identification. Evaluating U wave duration is more relevant in electrolyte imbalance analysis than in identifying rhythm type.

D. There is a QRS complex after each P wave: A consistent QRS following every P wave indicates effective conduction from the atria to the ventricles. Each atrial depolarization (P wave) should be followed by a ventricular depolarization (QRS complex) if the signal is being conducted properly through the AV node. This finding supports a diagnosis of sinus rhythm and helps rule out AV blocks, where conduction may be delayed or blocked entirely.

E. P waves are present, upright and rounded: P waves that are upright and rounded in lead II suggest the electrical impulse is originating from the SA node. Their presence and morphology are essential criteria for identifying sinus rhythm and differentiating it from atrial arrhythmias like flutter or fibrillation.

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The nurse is caring for a 24 year old post-partum client with a diagnosis of cardiomyopathy. The nurse understands that which of the following types of cardiomyopathy can be associated with childbirth?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a patient following insertion of a left subclavian central venous catheter (CVC). Which action by the nurse best reduces the risk of catheter-related bloodstream infection (CRBSI)?

Correct Answer is A

Explanation

To properly identify a cardiac rhythm, the nurse will determine if the client's rhythm contains the following factors: (Select All that Apply.)

Correct Answer is ["A","B","D","E"]

Explanation

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