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Congestive Cardiac Failure
Mr Ward is a 71-year-old male who reports feeling a non-radiating, "heavy" discomfort in the lower retrosternal and epigastric region particularly when he bends over or walks short distances. He also reports a further 7 days of dyspnoea during moderate exertion. On examination his blood pressure was 165/95 mm HG, pulse 90 -100 bpm, respiratory rate of 24 with inspiratory crackles at both lung bases.
The following blood tests where ordered: a full blood count (FBC), Urea Electrolytes and Creatinine (UEC), Liver Function Tests (LFT), CK and Troponin. All results were within normal limits.
An Arterial Blood Gas was also collected resulting in: pH [HIDDEN], pCO2 38.7mmHg, PO2 69.8mmHg, HCO3 24.0mmol/L, BE -0.7mmol/L and O2 SAT 89.3%
Mr Ward also has an ECG that showed normal sinus rhythm, and a chest x-ray showing cardiac enlargement and lower-lobe infiltrates, suggesting the presence of acute exacerbation of congestive cardiac failure.
The following questions relates to the patient within the first 24 hours.
1. Outline the causes, incidence and risk factors of chronic congestive cardiac failure (250 words)
Congestive heart failure is defined as "the inability of the heart to pump an adequate amount of oxygenated blood to meed the body's demands. It is a condition marked by shortness of breath, edema, poor tissue perfusion, congestion of the vascular beds, pulmonary edmea, jugular vein distention, liver congestion, abnormal sodium level and fluid retention are also often present (Hudson)." A number of conditions cause heart failure, but the most common is coronary artery disease (CAD). Coronary artery disease is a disease of the arteries that supply blood and oxygen to the heart and causes decreased blood flow to the heart muscle. When the arties of the heart become blocked, the heart will then harden and starved because no oxygen is being supplied. High blood pressure also known as hypertension or "the silent killer" is a condition characterized by elevated blood pressure levels exceeding 140/90mmhg (Cunha). High Blood pressure gets the name "the silent killer" because it carries no symptoms and many people can have this condition for years unknowingly damaging vital organs.
Other lesser causes include those occurring from thyroid disease, heart rhythm and infections (Shiel Jr., MD).
Due to Mr. Ward's age, he falls right into the category of those who could experience CHF.
The following risk factors put patients at risk of developing Congestive Heart Failure:
High Blood Pressure
Irregular heart beat
Excessive Alcohol Intake
The American heart associate states that congestive heart failure is more common in those over the age of sixty-five years old. Although CHF can develop in both men and women, men are more are risk for the disease.
2. List five (5) common signs and symptoms of congestive cardiac failure; for each provide a link to the underlying pathophysiology (300 words)
The most common symptoms of CHF include
The symptoms related to congestive cardiac failure can occur for long periods of time usually without any treatment, because patients experience no signs that they are in danger.
Shortness of breath or difficulty breathing is caused by a build-up of fluid back piled into the lungs. Patients will experience shortness of breath after physical exertion or walking for long distances. These symptoms tend to get worse overtime hindering a person's daily activities.
Swelling in the ankles, feet, legs and abdomen, is a result of fluid build up in patients with heart failure. Known as "peripheral edema, may be a result of right-sided hear failure since fluid cannot be pumped to the lungs at an efficient rate. In right-sided heart failure, fluid backs up in the veins, leaks out of capillaries and accumulates in tissues (heart failure)."
Chest discomfort is due to the blockage of the coronary arteries, when the arteries are blocked there is a minimum of oxygen being supplied to the heart.
Severe fatigue can cause a patient to feel sluggish and extremely tired and can be a result of organs not getting enough oxygen.
Appetite reduction can be a result of fluid accumulation in the digestive tract and may cause a patient to have an effect of feeling full.
Mr. Ward experienced chest discomfort, fatigue and shortness of breath during period of acute exacerbation. The patients tests, showed there was a presence of fluid build-up, which would explain his shortness of breath he experienced during acute exacerbation.
3. List three (3) common tests (including normal values) used to diagnose congestive cardiac failure and the likely abnormalities that will be detected within these tests and why these occur pathophysiologically. (create a table for your answer; 100-200 words)
When a patient arrives with symptoms related to congestive heart failure, the point of concern is to find the cause and treat it immediately. A physical assessment is taken first before conducting the following tests and procedures.
Beta Natriuretic Peptide- Is a laboratory test that can help identify congestive heart failure, and pinpoints the origin for dyspnea. According to the Cleveland clinic, BNP levels above 100-300 pg/mL indicate heart failure is present.
Electrocardiogram (ECG) - This test measures the heart's electrical activity. An ECG checks to see if the rhythm of blood pumping through the heart has a healthy rhythm.
Echocardiography (ECHO) -- Is an imaging test that shows high frequency sound waves of the heart in real-time motion. It allows physicians to view the heart in motion and asses the size and shape of the heart.
4. Describe two (2) common classes of drugs used for patients with congestive cardiac failure including physiological effect of each class on the body (250 words)
Beta-blockers are used in the treatment of congestive heart failure because it improves the heart's ability to run more efficiently. Beta-blockers stop certain chemical in the body called "noradrenaline and adrenaline from acting on your blood vessels, heart muscle and other organs" (Bupa). The use of beta-blockers counteracts the narrowing of blood vessels by widening vessels and slowing down the heart, while reducing the force of blood flow. The heart is able to relax and blood pressure levels decrease relieving the stress on the heart. Research has shown that beta-blockers are essential in helping patients with systolic heart failure and improves the survival rate of patients who have been suffering from heart failure for years. The FDA has approved only three drugs to help with heart failure; those include Bisoprolol, Carvedilol and Metoprolol.
2. Ace inhibitors
ACE inhibitors are used to treat hypertentsion and congestive heart failure, because they work in preventing further damage to the heart muscle. Medications in this class work in blocking the angiotensin-converting enzyme in the body causing blood vessels to narrow. The blood vessels relax decreasing blood pressure and helping to reduce the amount of water absorbed by the kidney gland. ACE inhibitor drugs also stop the progression of angiotensin 1 becoming angiotensin 2, slowing the damage to the heart vessels. The common ACE inhibitor drugs prescribed are Lisinopril, Altace and Capoten.
Another class of treatment in cases of fluid overload are, Diuretics, which reduce intravascular volume so patients relieve fluid retention through urination. This line of treatment is used in severe acute cases but will help return the patient's state to a normal fluid volume.
5. Identify and explain, in order of priority the nursing care strategies you, as the registered nurse, should use within the first 24 hours for this patient. (500 words).
The first step is to look into the patient's history and asses any complications that could be related to his condition.
1. Monitor vital signs at a minimum of an eight-hour interval.
2. Listen for any breath abnormal chest and heart sounds.
3. Monitor the skin for fluid retention, colour, and warmth.
4. Order any test that will help assess the patient's state.
5. Administer medications such as beta-blockers, ACE inhibitors or diuretics.
Mr. Ward who is a 71-year-old male complained of chest discomfort in the lower retrosternal and epigastric region when bending down and walking for long distances. Diagnosis of the patient's symptoms could be confirmed through blood test and an Echocardiogram, which showed enlargement of the heart. Due to the acute exacerbation of CHF, the patient would need to be started on medication immediately to alleviate his symptoms. With the patient's high blood pressure level, the first line of treatment would be to start the patient on an ACE inhibitor in order to bring the patient's high blood pressure level down. There could also be the present of pus in the patient's lower lobe which could be a result of an infection present, through test and a sharp x-ray of the lower lobe it would be found to possibly be fluid build.
Fluid buildup around the heart cavity can cause fatigue, shortness of breath and swelling of the body's vital organs. The patient's lungs and kidneys would need immediate relief of excess fluids and the use of diuretics would help alleviate those fluids. Patients experiencing fluid-build up would need to be monitored…[continue]
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