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Related Concept Videos

Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

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Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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Single Nucleotide Polymorphisms-SNPs01:05

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A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
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Acute Respiratory Failure-II01:21

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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
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Pneumonia II: Pathophysiology01:29

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The pathophysiology of pneumonia involves the following steps:
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Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

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Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
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Updated: Dec 17, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
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Sars-CoV-2: A clinical update - II.

Mateus da Silveira Cespedes1, José Carlos Rosa Pires de Souza2

  • 1. Estudante de Medicina do Sexto Ano da Universidade Estadual do Mato Grosso do Sul, Campo Grande, MS, Brasil.

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The COVID-19 pandemic, caused by SARS-CoV-2, presents mild to severe symptoms and is diagnosed via viral load detection. Treatment focuses on supportive care, with potential medications for severe cases.

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Area of Science:

  • Virology
  • Epidemiology
  • Infectious Diseases

Background:

  • The COVID-19 pandemic, declared by the WHO, has increased global health awareness.
  • The infection has affected millions worldwide, with risks associated with comorbidities and advanced age.
  • SARS-CoV-2, a novel coronavirus, exhibits transmissibility similar to H1N1 but with lower mortality rates.

Purpose of the Study:

  • To summarize the key aspects of the COVID-19 pandemic.
  • To outline the epidemiology, pathophysiology, clinical manifestations, diagnosis, and treatment of COVID-19.

Main Methods:

  • Review of epidemiological data and scientific literature on COVID-19.
  • Description of the SARS-CoV-2 virus's cellular invasion mechanism.
  • Summary of diagnostic approaches and treatment strategies.

Main Results:

  • COVID-19 presents with mild symptoms (fever, cough) and severe manifestations (hypoxemia, dyspnea).
  • The virus invades cells via angiotensin-converting enzyme 2, affecting respiratory and intestinal tissues.
  • Diagnosis involves detecting viral load, and treatment includes supportive care, with specific medications considered for severe cases.

Conclusions:

  • COVID-19 requires comprehensive understanding of its transmission, clinical course, and management.
  • Early diagnosis and appropriate treatment are crucial for patient outcomes.
  • Further research into effective therapies and prevention strategies remains essential.