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Fundamentals I
Funds exam 2
study (2025]
Fundamentals I (Chamberlain University)
Left sided heart failure: Clinical findings include crackles in the bases of
the lungs on auscultation, hypoxia, shortness of breath on exertion,
cough, and paroxysmal nocturnal dyspnea. While performing an
assessment, the nurse hears crackles in the patient’s lung fields.
Patients will sleep on pillows to help them with difficulty breathing
during the night.
Right-sided heart failure: Results from impaired functioning of the right
ventricle. It more commonly results from pulmonary disease or as a
result of long-term left-sided failure. The primary pathological factor in
right-sided failure is elevated pulmonary vascular resistance (PVR). As
the PVR continues to rise, the right ventricle works harder, and the
oxygen demand of the heart increases. As the failure continues, the
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amount of blood ejected from the right ventricle declines, and blood
begins to “back up” in the systemic circulation. Clinically the patient has
weight gain, distended neck veins, hepatomegaly and splenomegaly,
and dependent peripheral edema.
Myocardial ischemia: Results when the supply of blood to the
myocardium from the coronary arteries is insufficient to meet
myocardial oxygen demands. A patient who has a myocardial infarction,
the primary blood vessel that you will focus care in order to reduce
ischemia is the patient’s Coronary artery
Angina: transient imbalance between myocardial oxygen supply and
demand. The condition results in chest pain that is aching, sharp,
tingling, or burning or that feels like pressure. Typically chest pain is left
sided or substernal and often radiates to the left or both arms, the jaw,
neck, and back. It is usually relieved with rest and coronary
vasodilators, the most common being a nitroglycerin preparation.
Myocardial infarction: It occurs at rest or exertion and lasts more than
20 minutes. Rest, position change, or sublingual nitroglycerin
administration does not relieve the pain.
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To understand how alterations in oxygenation affect patients and the
interventions necessary, you need to integrate knowledge from nursing
and other disciplines and information gathered from patients. Critical
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