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Related Concept Videos

Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
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Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
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Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
Myocarditis III: Medical Management01:14

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Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Updated: May 11, 2026

Enhanced Rabies Surveillance Using a Direct Rapid Immunohistochemical Test
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Non-antibiotic-Associated Petechial Rash in an Infectious Mononucleosis-Positive Patient: A Case Report.

Leah Cliatt1, Malgorzata Zembrzuska2, Julia Felsenheld1

  • 1Dermatology, Rowan-Virtua School of Osteopathic Medicine, Stratford, USA.

Cureus
|May 22, 2025
PubMed
Summary

Infectious mononucleosis (IM), caused by Epstein-Barr virus (EBV), can present with a petechial rash, even without penicillin exposure. This suggests potential immune-mediated causes for the rash in IM patients.

Keywords:
antibiotic rashebvinfectious mononucleosisitppetechial rash

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Area of Science:

  • Infectious Diseases
  • Immunology
  • Dermatology

Background:

  • Epstein-Barr virus (EBV) is the leading cause of infectious mononucleosis (IM).
  • Cutaneous manifestations of IM are often linked to penicillin administration.
  • The pathogenesis of IM-related skin findings requires further elucidation.

Observation:

  • An 18-year-old male with classic IM symptoms developed a peripheral petechial rash.
  • The patient had no history of recent penicillin exposure.
  • Diagnostic workup excluded common infections and other causes for the rash.

Findings:

  • Infectious mononucleosis was confirmed via EBV antigen testing.
  • Splenomegaly was noted on ultrasound.
  • The petechial rash resolved spontaneously within 10 days.

Implications:

  • The case suggests a potential autoimmune mechanism for IM-associated cutaneous petechiae in the absence of drug triggers.
  • This highlights the complexity of IM pathogenesis beyond typical infectious processes.
  • Further research into immune-mediated pathways in IM is warranted.