Exam 19: Heart Failure and Dysrhythmias: Common Sequelae of Cardiac Diseases

A patient is diagnosed with heart failure with normal ejection fraction.This patient is most likely characterized by a(n)

The common denominator in all forms of heart failure is

The majority of tachydysrhythmias are believed to occur because of

The therapy that most directly improves cardiac contractility in a patient with systolic heart failure is

Second-degree heart block type I (Wenckebach)is characterized by

A patient with forward effects of heart failure may present with which symptoms?

First-degree block is identified by a prolonged ________.

A patient who reports dizziness and who has absent P waves, wide QRS complexes, and a heart rate of 38 beats/min on an ECG is most likely in which rhythm?

A patient's ECG lacks recognizable waveforms and is deemed to be in sinus arrest.The patient's sinus arrest may be a result of

Lusitropic impairment refers to

Which dysrhythmia is thought to be associated with reentrant mechanisms?

Low cardiac output to the kidneys stimulates the release of _____ from juxtaglomerular cells.

A patient has heart failure with a normal ejection fraction.Which findings are most likely found in this patient?

In which dysrhythmias should treatment be instituted immediately?

Cor pulmonale refers to

An abnormally wide (more than 0.10 second)QRS complex is characteristic of

First-degree heart block is characterized by

A patient is exhibiting severe dyspnea and anxiety.The patient also has bubbly crackles in all lung fields with pink, frothy sputum.This patient is most likely experiencing

After sitting in a chair for an hour, an elderly patient develops moderate lower extremity edema.His edema is most likely a consequence of

Dysrhythmias are significant since they