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Related Concept Videos

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Directly acting muscle relaxants like dantrolene and botulinum toxin (BoNT) have distinct mechanisms and applications. Dantrolene, a hydantoin derivative, acts on the ryanodine receptor (RYR1) in skeletal muscle cells. RYR1 are calcium channels present at the sarcoplasmic reticulum membrane. In response to excitation, they release calcium ions from the sarcoplasmic reticulum to the cytosol. Calcium promotes actin-myosin-mediated contraction of muscles.
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Generalized tetanus in an elderly patient: A case report.

Shiva Pratik Sah1, Surendra Khanal2, Sujata Dahal1

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Tetanus, a rare but serious bacterial illness, causes painful muscle spasms and respiratory failure. Early diagnosis and vigilant clinical management are crucial for patient outcomes.

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Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Tetanus is a rare, vaccine-preventable bacterial infection.
  • It is caused by Clostridium tetani, often entering the body through penetrating wounds.
  • The disease is underreported globally, necessitating increased awareness.

Observation:

  • A patient presented with a nonhealing, painful wound that progressed to tetanus symptoms, including risus sardonicus and muscle spasms.
  • The patient's blood culture confirmed the presence of the bacteria.
  • Complications included respiratory failure, sepsis, and multiorgan failure, requiring intensive care unit (ICU) management.

Findings:

  • Despite intensive care with antibiotics, mechanical ventilation, and organ support, the patient's condition worsened.
  • The patient was discharged from the ICU due to financial constraints.
  • Ultimately, the patient succumbed to the illness.

Implications:

  • This case highlights the critical importance of early diagnosis and management of tetanus.
  • Vigilance in recognizing symptoms and prompt medical intervention are essential for improving outcomes.
  • The case underscores the need for continued emphasis on tetanus vaccination and public health awareness.