Related Experiment Video
Updated: May 26, 2025

06:48
The HoneyComb Paradigm for Research on Collective Human Behavior
Published on: January 19, 2019
9.3K
Navigating a stealthy invader: Insights from two different Streptococcus intermedius cases.
Erica Casey Anders1, Stanley Miller1
1Department of Internal Medicine, Edward Via College of Osteopathic Medicine, Carolinas Campus, USA.
Journal of Family Medicine and Primary Care
|February 24, 2025
Summary
Severe bacterial infections caused by Streptococcus intermedius can present with varied systemic symptoms. Early consideration in differential diagnoses is crucial due to its potential to mimic other conditions.
Area of Science:
- Microbiology
- Infectious Diseases
Background:
- Streptococcus intermedius, part of the Streptococcus milleri group, is a commensal bacterium.
- It is recognized for its potential to cause severe, systemic infections.
Observation:
- Two cases of Streptococcus intermedius infection are presented.
- Case 1: A 53-year-old male with liver, lung, and brain lesions.
- Case 2: An 84-year-old female with bacteremia and liver abscesses.
Findings:
- Streptococcus intermedius infections can manifest with a wide range of clinical symptoms.
- The bacterium can mimic other infections or pathological conditions.
Implications:
- There are currently no standardized protocols for screening or managing Streptococcus intermedius infections.
- Maintaining Streptococcus intermedius on the differential diagnosis list is essential until confirmed negative by culture or PCR.
Related Concept Videos
Predator-Prey Interactions
16.1K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
16.1K
Defenses Against Pathogens and Herbivores
23.0K
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
23.0K
Leaky Scanning
5.1K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.1K
Steps in Outbreak Investigation
102
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
102
Masking and Demasking Agents
2.3K
EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
2.3K
Blinding
2.4K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.4K

