A Closer Look On Presented by: Josephine Mick – Surgery Ward Dept.
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Transcript of A Closer Look On Presented by: Josephine Mick – Surgery Ward Dept.
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A Closer Look OnCardiomyopathy
Presented by: Josephine Mick – Surgery Ward Dept.
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Demographic Data
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DEMOGRAPHIC DATACASE NUMBER: 206***
Name: Mr. G
Age: 55 y/o
Gender: Male
Admitted on: June 20, 2013
Discharged on: June 25, 2013
Nationality: Sri Lankan
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Admitting Physician: Dr. U
Chief Complaint: Shortness of breath
Diagnosis: Cardiomyopathy
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Physical Assessment
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PHYSICAL ASSESSMENTGeneral Appearance:
Patient is conscious and oriented, ambulatory and distressed
Vital Signs:Blood Pressure: 110/70 mmHgPulse Rate: 130 bpmRespiratory Rate: 26 cpmTemperature: 36.5 °C
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Integumentary System:
Has a dark complexion Skin is intact Rashes Blisters Edema
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> Scalp has no lesions, tenderness or masses on palpation.
> Hair is short and black in color. Evenly distributed, covers the whole scalp.
> Nails are thick. Capillary refill: 4 seconds.
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Head and Neck: Symmetrical in shape Normocephalic Can move facial muscles Neck veins are not distended
Involuntary muscle movements No tenderness
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Eyes:Evenly placed and in line with each other.Eyes are not protruding.Both conjunctivae are pinkish in color.Sclerae is white in color.Pupils equally round, reactive to light, and
accommodate. (PERRLA)
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Ears:The ear lobes are bean shaped, parallel,
and symmetrical.Skin is same in color as in the complexion.No lesions noted on inspection.Able to hear sounds well.
Nose and Sinuses:Nose is in the midline.No discharges.No tenderness upon palpation.Nasal flaring noted.
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Mouth and throat:Lips are not dry and no swelling noted.No gum bleeding noted.No loose tooth noted.Gag reflex is present.Able to move the tongue freely and with
strength.Surface of the tongue is rough.
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Thorax and Lungs: Bilateral wheezing along with decreased air
entry at bases noted.RR: 26 cpmSPO2 on room air is 78%.Breasts has no lumps and lesions
Abdomen:Soft, no distention noted.Bowel sounds present.
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Musculoskeletal System:No involuntary movements.No edema.Can perform complete range of motion.No crepitus noted on joints.
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Cardiovascular System:S1 and S2 are heard.No abnormal heart sounds is heard.BP: 110/70 mmHgPR: 130 bpmNo edema noted on all extremities.
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Genitourinary System:No difficulty and pain in urinating.No tenderness or mass noted.
Gastrointestinal System:No diarrhea or vomiting noted.
Neurologic System:
Oriented to time, place and person.Responsive and coherent.
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Patient’s History
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PATIENT'S HISTORY
HISTORY OF PAST ILLNESSNo any known significant medical historyNo past surgeriesNot allergic to any food or medicinesNo family history mentioned
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HISTORY OF PRESENT ILLNESS Smoker x 20 years (3-4 sticks/day) No food restrictions No form of exercise
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(+) DOB & Fever
Discharged
4 days PTA
(other medical center)
(Meds: Augmentin, Amboroxol and
Ranitidine )
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3-4 hrsPTA
(+) SOB
I.C.U.
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DIAGNOSTIC TESTS/INVESTIGATIONS UPON ADMISSION
(yellow – abnormal results)
Diagnostic test Result Reference ranges
WBC 12.61 x109/L 4.23-9.07 x109/L
RBC 5.45 x 1012/L 4.63-6.08 x 1012/L
HGB 14.1 gm/dl 13.7-17.5 gm/dl
HCT 41.1% 40.1-51.0%
PLT 403 x 109/L 163-337 x 109/L
Glucose (Random) 15.9 mmol/L 3.9-7.8 mmol/L
Urea 3.4 mmol/L 1.8-8.3 mmol/L
Creatinine 85.14 μmol/L 58-110 μmol/L
Sodium 137 mmol/L 135-150 mmol/L
Potassium 3.5 mmol/L 3.5-5.0 mmol/L
Magnesium 0.73 mmol/L 0.65-1 mmol/L
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ALT (SGPT) 22.25 U/L 10-41 U/L
Cholesterol 5.94 mmol/L 3.1-5.2 mmol/L
Triglycerides 1.57 mmol/L 0.34-2.30 mmol/L
HDLc 0.88 mmol/L 0.9-1.87 mmol/L
LDLc 5.9 mmol/L 3.9-4.7 mmol/L
CPK (CK) 336.46 U/L 26-308 U/L
CK-MB 16.07 U/L 7.0-25.0 U/L
HBA1C 8.9 % of Hb 4.1-6.2 % of Hb
Pro-BNP 6,290 pg/mL <125 pg/mL
Trop-I 0.37 ng/mL 0-0.1 ng/mL
(yellow – abnormal results)
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2D ECHO: Dilated LV with EF 25-30%Moderate to severe mitral regurgitationSevere generalized LV dysfunctionNo LV or LA clotNo pericardial effusionPartial collapse of inferior vena cava with
inspiration
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Initial ECG:Sinus tachycardia with poor progressive R at
V1-V5 with elevation 1-1.5 mm at precordial lead.
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Chest X-ray: Apparent Cardiomegaly. Hilar shadows and
vascular markings are prominent. Haziness with interstitial and patchy opacities are seen in both lungs. Both costophrenic angles are hazy.
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Medications uponAdmission
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Enoxaparin 80mg/SC/OD
an anticoagulant used to prevent and treat deep vein thrombosis or pulmonary embolism
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Lasix infusion 5mg/hr treats fluid retention
(edema) in people with congestive heart failure, liver disease, or a kidney disorder such as nephrotic syndrome. This medication is also used to treat high blood pressure (hypertension).
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Ceftriaxone 1gm/IV/BIDtreatment of infections
of lower respiratory tract, skin and skin structures, bone and joint, and urinary tract; treatment of pelvic inflammatory disease, intra-abdominal infections, gonorrhea (uncomplicated), meningitis, and septicemia caused by susceptible microorganisms.
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Aspirin 81mg/PO/ODhas an antiplatelet
effect by inhibiting the production of thromboxane, which under normal circumstances binds platelet molecules together to create a patch over damaged walls of blood vessels.
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Clopidogrel 75mg/PO/OD
antiplatelet agent used to inhibit blood clots in coronary artery disease, peripheral vascular disease, and cerebrovascular disease.
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Omeprazole 40mg/IV/OD
belongs to group of drugs called proton pump inhibitors. It decreases the amount of acid produced in the stomach.
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Atorvastatin 40mg/PO/OD
used for lowering blood cholesterol. It also stabilizes plaque and prevents strokes through anti-inflammatory and other mechanisms.
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Ventolin nebulization
Treatment & prevention of bronchial asthma, bronchitis, emphysema w/ associated reversible airways obstruction.
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TOPIC PRESENTATION
CARDIOMYOPATHY
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CARDIOMYOPATHYLiterally means "heart muscle disease".
Makes it harder for the heart to pump blood and deliver it to the rest of the body.
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Anatomy and Physiology
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The HeartThe heart is the muscular organ of the
circulatory system that constantly pumps blood throughout the body.
Approximately the size of a clenched fist.
Composed of cardiac muscle tissue that is very strong and able to contract and relax rhythmically.
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ANATOMY AND PHYSIOLOGY
Click to see each functions.
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Right Atrium
Function:returns
deoxygenated blood from the body to the right ventricle
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Left Atrium
Function:Drains/pumps
oxygenated blood from the lungs into the left ventricle
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Left Ventricle
Function:Pumps
oxygenated blood from lungs to body.
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Right Ventricle
Function: pumps
deoxygenated blood from the body to the lungs
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Pulmonary Artery
Function:carry de-
oxygenated blood to the lungs.
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Aorta
Function:Distributes the
blood to the different parts of the body
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Inferior Vena Cava
Function:is the large vein
that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart.
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Superior Vena Cava
Function:large diameter, yet
short, vein that carries deoxygenated blood from the upper half of the body to the heart's right atrium.
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Tricuspid Valve
Function:opens to allow
blood to flow from the right atrium into the right ventricle.
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Mitral Valve
Function:opens to allow
blood to flow from the left atrium into the left ventricle.
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Pulmonary Valve
Function:allowing blood to
exit the right ventricle into the pulmonary artery.
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Aortic Valve
Function:allowing blood to
exit the left ventricle into the aorta.
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Pulmonary Vein
Function:large blood vessels
that carry oxygenated blood from the lungs to the left atrium of the heart.
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Cardiac Muscleis a type of involuntary
striated muscle found in the walls and histological foundation of the heart, specifically the myocardium.
It contracts, which allows heart to pump, allowing movement of the blood into the heart and the circulatory system that goes throughout the body.
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Coronary Artery
Supply oxygenated and nutrient filled blood to the heart muscle.
Right Coronary Artery - Supplies oxygenated blood to the walls of the ventricles and the right atrium.
Left Main Coronary Artery - Directs oxygenated blood to the left anterior descending artery and the left circumflex.
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Blood vesselsBlood vessels are intricate networks of hollow
tubes that transport blood throughout the entire body. Blood delivers nutrients to and removes wastes from our cells.
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Arteries transport blood from the heart to the body
tissues. (oxygenated blood)
Veins carry blood back to the heart. (deoxygenated
blood)
Capillariesare extremely small vessels located within
the tissues of the body that transport blood from the arteries to the veins.
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Video: Heart and circulatory system — How they work
Click inside the box to watch the video
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Etiology
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ETIOLOGY
Most of the time, the cause of the Cardiomyopathy is unknown.
Possible causes of Cardiomyopathy include: Long-term high blood pressureHeart valve problemsHeart tissue damage from a previous heart attackChronic rapid heart rateMetabolic disordersNutritional deficiencies of essential vitamins or
minerals
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Pregnancy
Excessive use of alcohol over many years
Abuse of cocaine or antidepressant medications
Use of some chemotherapy drugs to treat cancer
Certain viral infections, which may injure the
heart and trigger cardiomyopathy
Iron buildup in your heart muscle
(hemochromatosis)
Genetic conditions
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Three Types of Cardiomyopathy:Dilated cardiomyopathy enlargement of the heart cavity and systolic
dysfunction of one or both ventricles Hypertrophic cardiomyopathy
left ventricular hypertrophy without an identifiable cause that results in impaired diastolic filling.
Restrictive cardiomyopathy restricted filling and reduced diastolic volume
of either or both ventricles, with normal or nearly normal wall thickness and systolic function
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Signs and Symptoms
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SIGNS AND SYMPTOMS:
Early stage:No signs and symptoms
But as the condition advances, signs and symptoms usually appear.
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Cardiomyopathy symptoms may include:
breathlessness
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Swelling of the legs,Ankles and feet
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Bloating of the abdomen
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Fatigue
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Irregular heartbeats
that feel rapid, pounding or fluttering
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Diziness, lightheadednessAnd fainting
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Complications
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CARDIOMYOPATHY
Heart failure
Blood clots
Valve problems
Cardiac arrest and
sudden death
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Diagnostic Tests/Procedures
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Chest X-ray. An image of the heart
will show whether it's enlarged.
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Echocardiogram. uses sound waves
to produce images of the heart.
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Cardiac catheterization and biopsy.a thin tube
(catheter) is inserted in the groin and threaded through blood vessels to the heart, where a small sample (biopsy) of the heart can be extracted for analysis in the laboratory.
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Cardiac magnetic resonance imaging (MRI).uses magnetic
fields and radio waves to create images of the heart.
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Blood tests.One blood test can
measure B-type natriuretic peptide (BNP), a protein produced in your heart. The blood level of BNP rises when the heart is subjected to the stress of heart failure, a common complication of cardiomyopathy.
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Pathophysiology
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PREDISPOSING FACTORS:
>Age: 60 and above
>Gender: Male
>Race
>Genetic: a pattern of familial
inheritance is evident in up to 20%
>Endocrine disorders
>Long-term high blood pressure
PRECIPITATING FACTORS:
>Alcoholism
>Smoking
>Abuse of cocaine or
antidepressant medications, such
as tricyclic antidepressants
>Sedentary lifestyle
>Stress
Heart muscle begins to dilate (stretch and
thinner)
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Walls of ventricles thicken
Ventricles becomes stiff and rigid (scar tissue)
Left ventricle becomes enlarged
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Heart muscle begins to enlarge
)
Ventricles cannot relax and normally fill with
blood
Blood flow is blocked in the ventricles
Blood flow of heart is reduced
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Ventricles works hard to pump blood
Heart cannot pump blood well
Heart becomes weaker
Chest pain, dizziness, SOB and
fainting fatigue, swelling on extremities
Cardiac arrest, arrythmia
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CARDIOMYOPATHY
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Course In the Hospital
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Day 1: Patient was kept in ICU for further
management and workup.He received:
o Enoxaparin 80mg SCo Lasix infusion 5mg/hro Ceftriaxone IV, T. Aspirin 81mg/ODo T. Clopidogrel 75mg/ODo T. Atorvastatin 40mg/ODo Omperazole 40mg/OD
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He was started on Low Salt, Low Fat Diabetic Soft Diet
With fluid restriction of 1.5 L/dayIntake and Output was strictly monitoredHooked to O2 support @ 5 LPM via face maskNebulizations given
After initiation of treatment his condition improved.
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Day 2Added with low dose of Captopril, Digoxin,
Spinorolactone and continued with other treatment, his urine output became adequate and remained in negative balance of 2 liters.
Started with oral K replacement
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Day 3Added with low dose of betablockers, he
tolerated well the betablockers and ACEI.
His saturations improved and he remained afebrile and with improved HR of 90 bpm and BP of 110/70 mmHg.
Remained in negative balance of 0.8 liters.
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Day 4Switched to long acting ACEI Enalapril
2.5mg/OD and Lasix IV 40mg/BID.
Room air saturations improved to 91% and continued with intermittent oxygen through nasal cannula.
He denied any chest pain or heaviness, he is being continuously monitored for heart rate and rhythm along with saturations and other parameters. During the stay he was monitored for blood sugar and received Regular Insulin SC.
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Later on he was shifted to ward and remained asymptomatic, afebrile and hemodynamically stable.
He ambulated as well and oxygen saturations improved.
Started with T. Glimipiride 2mg.
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Day 5Patient is asymptomatic.
Ambulating well.
CXR improved and SPO2 on room air is 98%.
CBG is 122 mg//dl.
The doctor discussed in detail regarding the disease and treatment plan upon discharge.
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Prioritization ofNursing Problems
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BREATHINGIneffective Breathing Pattern
ACTIVITY AND REST
Disturbed Sleep PatternRisk for Activity intolerance
FATIGUEDecreased Cardiac Output
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NUTRITIONRisk for Electrolyte Imbalance
ELIMINATIONRisk for Impaired Urinary Elimination/Urinary
Retention
SAFETYRisk for Infection
THERAPEUTICEffective Therapeutic Regimen Management
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Nursing Care Plans
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Cues/ Evidences Nursing DiagnosisGoals and Desired
OutcomesNursing Order/Action Rationale for Action Evaluation
Subjective: “I easily get tired when I’m doing something,” as verbalized by the patient.
appears weak
easy fatigability
BP: 110/70 mmHg
HR: 130 bpm
(+) weak bounding pulse
SPO2:78% on room air
capillary refill: 4 seconds
tachypneic: RR: 26 cpm
> 2D echo findings: Severe generalized LV
dysfunction
Decreased cardiac output related to left ventricular dysfunction.
After the 12 hour shift, patient will maintain adequate cardiac output as evidenced by BP and pulse rate and rhythm within normal range.
> Auscultate apical pulse; assess heart rate, rhythm and note heart sounds.
Monitor blood pressure.
Monitor urine output, noting decreasing output and dark/concentrated urine.
Tachycardia is usually present (even at rest) to compensate for decreased ventricular contractility. S1 and S2 may be weak because of diminished pumping action. Gallop rhythms are common (S3 and S4), produced as blood flows into noncompliant/distended chambers. Murmurs may reflect valvular incompetence/stenosis.
The body may no longer be able to compensate, and profound/irreversible hypotension may occur.
Kidneys respond to reduced cardiac output by retaining water and sodium. Urine output is usually decreased during the day because of fluid shifts into tissues but may be increased at night because fluid returns to circulation when patient is recumbent.
Goal met. After rendering nursing interventions for 12 hours, patient’s heart rate decreases from 130 bpm to 90 bpm. No reports of dyspnea or fatigue noted.
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Note changes in sensorium like lethargy, confusion, disorientation, anxiety, and depression.
Encourage rest, semirecumbent in bed or chair.
Provide quiet environment; explain medical/nursing management; help patient avoid stressful situations; listen/respond to expressions of feelings/fears.
May indicate inadequate cerebral perfusion secondary to decreased cardiac output.
Physical rest should be maintained to improve efficiency of cardiac contraction and to decrease myocardial oxygen demand/consumption and workload.
Psychological rest helps reduce emotional stress, which can produce vasoconstriction, elevating BP and increasing heart rate/work.
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Elevate legs, avoiding pressure under knee. Encourage active/passive exercises. Increase ambulation/activity as tolerated.
Administer supplemental oxygen as indicated, 2 LPM via nasal cannula
> Administer medications as indicated: > Furosemide (Lasix) 5mg/ hour via infusion
Decreases venous stasis, and may reduce incidence of thrombus/embolus formation.
Increases available oxygen for myocardial uptake to combat effects of hypoxia/ischemia.
Diuretics, in conjunction with restriction of dietary sodium and fluids, often lead to clinical improvement in patients. Loop diuretics block chloride reabsorption, thus interfering with the reabsorption of sodium and water.
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Anticoagulants – Enoxaparin 80mg/SC/OD and Clopidogrel 75mg/PO/OD
Monitor/replace electrolytes such as Sodium and Potassium.
Monitor serial ECG and CXR changes.
May be used prophylactically to prevent thrombusembolus formation in presence of risk factors such as venous stasis, enforced bedrest, cardiac dysrhythmias, and history of previous thrombolic episodes.
Because of existing elevated left ventricular pressure, patient may not tolerate increased fluid volume (preload). Patients o excrete less sodium, which causes fluid retention and increases myocardial workload.
Chest x-ray may show enlarged heart and changes of pulmonary congestion
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Cues/ Evidences Nursing DiagnosisGoals and Desired
OutcomesNursing
Order/ActionRationale for Action Evaluation
Subjective:“I have difficulty of breathing,” as verbalized by the patient.
RR: 26 cpm
SPO2:78% on room air
(+) rapid breathing
(+) nasal flaring
Ineffective breathing pattern related to shortness of breath secondary to dyspnea.
After the 12 hour shift, patient will demonstrate adequate ventilation and oxygenation as evidenced by respiratory rate and oxygen saturation within normal limits.
> Monitor Vital signs
>Administered bronchodilator, such as Ventolin nebulization as ordered,
Administer oxygen therapy at 2 LPM by cannula.
Provide small meals six times per day.
Provide bed rest with head of bed elevated 30 to 60 degrees.
Perform deep breathing exercises, incentive spirometry ever two hours.
To obtain baseline data.
Dilates airways to facilitate breathing if dyspneic.
Provides oxygen if hypoxic from decreased cardiac output or with ventilation perfusion imbalance from fluid in alveoli.
>Reduces pressure on diaphragm and enhances chest expansion.
Promotes lung expansion and decreases venous return.
Improves breathing and oxygen intake.
Goal fully met. After rendering nursing interventions for 12 hours, patient’s respiratory rate decreased from 26 cpm to 22 cpm. Patient had verbal reports that he can breathe without difficulty.
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Nursing Health Teachings
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Avoid smoking.
Eat meals with low salt, fats at sugar.
Limit fluid intake to 1.5 liters per day.
Get regular walk as tolerated with empty
stomach.
Keep blood sugar under control.
Take prescribed medicines regularly and on
time.
See physician regularly.
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Conclusion
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Cardiomyopathy is a disease that weakens and enlarges the heart muscle. Some people who develop cardiomyopathy have no signs and symptoms during the early stages of the disease. But as the condition advances, signs and symptoms usually appear.
In many cases, people can't prevent cardiomyopathy. Let the doctor know if you have a family history of the condition. If cardiomyopathy is diagnosed early, treatments may prevent the disease from worsening.
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People can help reduce the chance of heart failure by avoiding some of the conditions that can contribute to a weak heart, including the abuse of alcohol or cocaine or not getting enough vitamins and minerals. Controlling high blood pressure with diet and exercise also prevents many people from developing heart failure later in life.
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