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S. pyogenes can also cause disease in the form of post-infectious "non-pyogenic" (not associated with local bacterial multiplication and pus formation) syndromes. These autoimmune -mediated complications follow a small percentage of infections and include rheumatic fever and acute post-infectious glomerulonephritis .
Group A streptococcal infections are a number of infections with Streptococcus pyogenes, a group A streptococcus (GAS). [1] S. pyogenes is a species of beta-hemolytic Gram-positive bacteria that is responsible for a wide range of infections that are mostly common and fairly mild. If the bacteria enters the bloodstream, the infection can become ...
Causes: Streptococcus pyogenes, Staphylococcus aureus, others [1] [3] Risk factors: Very absorbent tampons, skin lesions in young children [1] Diagnostic method: Based on symptoms [1] Differential diagnosis: Septic shock, Kawasaki's disease, Stevens–Johnson syndrome, scarlet fever [4] Treatment
S. agalactiae, or group B streptococcus, GBS, causes pneumonia and meningitis in newborns and the elderly, with occasional systemic bacteremia. Importantly, Streptococcus agalactiae is the most common cause of meningitis in infants from one month to three months old.
Scarlet fever, also known as scarlatina, is an infectious disease caused by Streptococcus pyogenes, a Group A streptococcus (GAS). [3] It most commonly affects children between five and 15 years of age. [1] The signs and symptoms include a sore throat, fever, headache, swollen lymph nodes, and a characteristic rash. [1]
Streptococcus pyogenes bacteria (Pappenheim's stain), the trigger for rheumatic fever. The original method of diagnosing rheumatic heart disease was through heart auscultation, specifically listening for the sound of blood regurgitation from possibly dysfunctional valves.
Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.
Streptococcus pneumoniae is a bacterium that causes respiratory infections. [2] Streptococcus pyogenes (also known as group A Streptococcus) is a bacterium that can cause a variety of pathologies, including impetigo and strep throat, as well as other, more serious, illnesses. [16] [17]