Right ventricular myocardial infarction history and symptoms

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Right ventricular myocardial infarction Microchapters

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Overview

Pathophysiology

Pathophysiology of Reperfusion
Gross Pathology
Histopathology

Causes

Differentiating Right ventricular myocardial infarction from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Criteria

History and Symptoms

Physical Examination

Electrocardiogram

Chest X Ray

Echocardiography or Ultrasound

Coronary Angiography

Other Imaging Findings

Treatment

Initial Care

Pharmacological Reperfusion

Reperfusion Therapy (Overview of Fibrinolysis and Primary PCI)
Fibrinolysis

Mechanical Reperfusion

The Importance of Reducing Door-to-Balloon Times
Primary PCI
Adjunctive and Rescue PCI
Rescue PCI
Facilitated PCI
Adjunctive PCI
CABG
Management of Patients Who Were Not Reperfused
Assessing Success of Reperfusion

Antithrombin Therapy

Antithrombin Therapy
Unfractionated Heparin
Low Molecular Weight Heparinoid Therapy
Direct Thrombin Inhibitor Therapy
Factor Xa Inhibition
DVT Prophylaxis
Long Term Anticoagulation

Antiplatelet Agents

Aspirin
Thienopyridine Therapy
Glycoprotein IIbIIIa Inhibition

Other Initial Therapy

Inhibition of the Renin-Angiotensin-Aldosterone System
Magnesium Therapy
Glucose Control
Calcium Channel Blocker Therapy

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Since the right ventricle has a remarkable tendency to recover function rapidly, diagnostic tests are most reliable when performed soon after presentation. Clinical suspicion and a careful physical examination demonstrating the signs are the first step.

History and Symptoms

  • Ischemia or infarction of the right ventricle results in decreased right ventricular compliance, reduced filling, and diminished right-sided stroke volume with concomitant right venticular dilation and alteration in septal curvature. [1] These hemodynamic and geometric changes lead to decreased left ventricular filling and contractile function with a concomitant fall in cardiac output. [2] [3] [4] [5] [6] [7] The net effect is that left-sided filling pressures may be below normal despite clinical signs of high pressure on the right side. This disparity has important implications for therapy.

References

  1. Brookes, C, Ravn, H, White, P, et al. Acute right ventricular dilatation in response to ischemia significantly impairs left ventricular systolic performance. Circulation 1999; 100:761. PMID 10449700.
  2. Williams, JF. Right ventricular infarction. Clin Cardiol 1990; 13:309. PMID 2189611
  3. Kinch, JW, Ryan, TJ. Right ventricular infarction. N Engl J Med 1994; 330:1211. PMID 8139631
  4. Setaro, JF, Cabin, HS. Right ventricular infarction. Cardiol Clin 1992; 10:69. PMID 1739961
  5. Cohn, JN. Right ventricular infarction revisited. Am J Cardiol 1979; 43:666. PMID 420117
  6. Zeymer, U, Neuhaus, K-L, Wegscheider, K, et al. Effects of thrombolytic therapy in acute inferior myocardial infarction with and without right ventricular involvement. J Am Coll Cardiol 1998; 32:876. PMID 9768705
  7. Shiraki, H, Yoshikawa, T, Anzai, T, et al. Association between preinfarction angina and a lower risk of right ventricular infarction. N Engl J Med 1998; 338:941. PMID 9521981



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