Pericarditis, Pericardial Effusion, & Cardiac Tamponade - BMH/Tele
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Transcript of Pericarditis, Pericardial Effusion, & Cardiac Tamponade - BMH/Tele
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Telemetry Preceptorship Course
Pericarditis Pericarditis & &
Cardiac Cardiac TamponadeTamponade
Natalie Bermudez, RN, BSN, MS Clinical Educator for Telemetry
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What is Pericarditis?What is Pericarditis?
• Inflammation of the pericardial sac
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FactsFacts• More common in men
• Occurs between the ages of 20 to 50 years
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EtiologyEtiology• Most common cause is viral illness• AMI• Bacterial infection
– Stab wounds, pneumonia, endocarditis, sepsis, surgical contamination
• Medications• Pericardial Neoplasm (very rare)• Uremia and/or renal failure• Idiopathic
– Relatively common in developing countries– Turns out to be viral in nature
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Associated Viral CausesAssociated Viral Causes
• Coxsackie A & B• Echovirus• Hepatitis B• HIV• Influenza• Mononucleosis• Mumps• Varicella
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Pericarditis & AMIPericarditis & AMI• If occurs within 2 – 7 days following an
AMI– Considered a pericardial inflammatory response
to the underlying AMI
• Dressler Syndrome– Autoimmune response to myocardial necrosis
involving both the pleura and the pericardium– May occur 2 weeks to several months after the
event
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Pericarditis & MedicationsPericarditis & Medications
• Medications that produce pericarditis symptoms in patients with SLE– Pronestyl (procainamide)– Apresoline (hydralazine)– INH (ioniazid)
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Clinical PresentationClinical Presentation• May mimic AMI
– Chest pain & ST-segment elevation
• Chest pain w/ pericarditis– Pleuritic in nature; worsens with inspiration– Relief obtained by sitting upright and leaning
forward
• Fever may be present or antecedent• Dyspnea, SOB, cough• Chills• Weakness
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Differentiating Chest PainDifferentiating Chest Pain
Pericarditis• Pain is often sharp,
piercing• Located between the
neck and shoulder• Dyspnea unrelated to
exertion• Pericardial friction rub
Acute MI• Pain is described as
pressure• Dyspnea related to
exertion• Pain is in the chest and
may sometimes radiate
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Diagnostic TestsDiagnostic Tests12-Lead EKG• Most definitive test in acute pericarditis• ST-segment elevation in most leads except
V1 and AVR• No reciprocal changes or inverted T’s• PR segment depressed• Electrical alternans
– QRS varies from beat to beat
• Atrial dysrhythmias common
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Diagnostic TestsDiagnostic TestsChest X-Ray
• Cardiac silhouette enlarged– If more than 250 ml is present
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Diagnostic TestsDiagnostic TestsEchocardiogram
• Evaluates hemodynamic changes associated with cardiac tamponade
Transesophageal Echocardiogram (TEE)
• Helpful in evaluating the size of an effusion and compromised ventricular filling
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Diagnostic TestsDiagnostic TestsLabs• Erhythrocyte Sedimentation Rate (ESR) &
Complete Blood Count (CBC)– Non-specific elevation
• Cardiac Profile (CK-MB, troponins)– Rule out AMI
• PPD, HIV-AIDS screening• Rheumatoid factors (RF), Antinuclear
Antibodies (ANA)• CT scan – locate neoplastic lesions
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Clinical ManagementClinical ManagementUncomplicated Idiopathic Pericarditis
• NSAIDs
• Indomethacin & Colchicine– Allergy to NSAIDs or aspirin
• Narcotic analgesia
• Corticosteroids
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Clinical ManagementClinical ManagementPost-MI Pericarditis
• Avoid use of corticosteroids and anti-inflammatory agents– May cause rupture
of the infarcted area
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Clinical ManagementClinical ManagementPericarditis (recurrent pain or connective
tissue disorders)
• Corticosteroids are most effective
Medication-Related Pericarditis
• Stop the medication
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ComplicationsComplications
• Pericardial Effusion
• Cardiac Tamponade
• Constrictive Pericarditis
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Pericardial EffusionPericardial Effusion• Accumulation of
excessive fluid in the pericardial space
• May happen slowly over time and the pericardial sac accommodates
• Rapid fluid accumulation results in Cardiac Tamponade