Staphylococcus aureus - Revision history

Aidan at 16:17, 25 June 2025

2025-06-25T16:17:44Z

← Older revision		Revision as of 16:17, 25 June 2025
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	==Management==		==Management==

	*~~Duration~~ depends on clinical syndrome		*Choice of antibiotic depends on susceptibility testing, and duration depends on clinical syndrome

			=== Penicillin-Susceptible ''Staphylococcus aureus'' (PSSA) ===

			* First-line: benzylpenicillin 2 million units IV every 4 hours, or 4 million units IV every 4 hours

	===Methicillin-Susceptible ''Staphylococcus aureus'' (MSSA)===		===Methicillin-Susceptible ''Staphylococcus aureus'' (MSSA)===

			*First-line:
	*First-line: [[cloxacillin]], then [[cefazolin]] or [[cephalexin]] (for oral)
			**Intavenous: [[cefazolin]] preferred to [[cloxacillin]]
			**Oral: include [[cephalexin]], [[cefadroxil]], and oral [[cloxacillin]]
	*Others: [[clindamycin]], [[fluoroquinolones]], [[TMP-SMX]], [[doxyxycline]], [[erythromycin]]		*Others: [[clindamycin]], [[fluoroquinolones]], [[TMP-SMX]], [[doxyxycline]], [[erythromycin]]

Aidan: /* Other Syndromes */

2021-02-22T00:50:42Z

Other Syndromes

← Older revision		Revision as of 00:50, 22 February 2021
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	*See [[Staphylococcus aureus endocarditis]]		*See [[Staphylococcus aureus endocarditis]]

	===Other Syndromes===		===Other Infectious Syndromes===

	*[[Osteomyelitis]]		*[[Osteomyelitis]]
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	**Post-surgical (ENT): more of historic with changes in packing		**Post-surgical (ENT): more of historic with changes in packing
	**Surgical site infections, even without obvious signs of localized infection		**Surgical site infections, even without obvious signs of localized infection

			=== ''Staphylococcus''-Associated Glomerulonephritis ===

			* Occurs ''during'' acute infection
			* See also [[Staphylococcus-associated glomerulonephritis]]

	==Management==		==Management==

Aidan: Text replacement - "[[Cellular shape::" to "[[Shape::"

2020-10-15T04:27:34Z

Text replacement - "[[Cellular shape::" to "[[Shape::"

← Older revision		Revision as of 04:27, 15 October 2020
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	===Microbiology===		===Microbiology===

	*Facultative anaerobic, [[Stain::Gram-positive]] [[~~Cellular shape~~::coccus]]		*Facultative anaerobic, [[Stain::Gram-positive]] [[Shape::coccus]]
	*Catalase-[[Catalase::positive]] and coagulase-[[Coagulase::positive]]		*Catalase-[[Catalase::positive]] and coagulase-[[Coagulase::positive]]
	*Microscopy: groups or clusters ("cluster of grapes")		*Microscopy: groups or clusters ("cluster of grapes")

Aidan: /* Microbiology */

2020-09-15T16:10:52Z

Microbiology

← Older revision		Revision as of 16:10, 15 September 2020
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	*Facultative anaerobic, [[Stain::Gram-positive]] [[Cellular shape::coccus]]		*Facultative anaerobic, [[Stain::Gram-positive]] [[Cellular shape::coccus]]
	*Catalase-positive]] and [[Coagulase ~~test::coagulase [[Catalase~~::positive]]		*Catalase-[[Catalase::positive]] and coagulase-[[Coagulase::positive]]
	*Microscopy: groups or clusters ("cluster of grapes")		*Microscopy: groups or clusters ("cluster of grapes")
	*Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar		*Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar

Aidan: Text replacement - "\[\[Catalase test::(.?)-(.?)\]\]" to "$1 Catalase::$2"

2020-08-20T19:26:03Z

Text replacement - "\[\[Catalase test::(.*?)-(.*?)\]\]" to "$1 Catalase::$2"

← Older revision		Revision as of 19:26, 20 August 2020
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	*Facultative anaerobic, [[Stain::Gram-positive]] [[Cellular shape::coccus]]		*Facultative anaerobic, [[Stain::Gram-positive]] [[Cellular shape::coccus]]
	*~~[[Catalase test::~~Catalase-positive]] and [[Coagulase test::coagulase-positive]]		*Catalase-positive]] and [[Coagulase test::coagulase [[Catalase::positive]]
	*Microscopy: groups or clusters ("cluster of grapes")		*Microscopy: groups or clusters ("cluster of grapes")
	*Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar		*Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar

Aidan: /* Antibiotic resistance */

2020-08-16T10:32:11Z

Antibiotic resistance

Show changes

Aidan: /* Microbiology */

2020-08-05T00:54:01Z

Microbiology

← Older revision		Revision as of 00:54, 5 August 2020
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	== Background ==		== Background ==
	=== Microbiology ===		=== Microbiology ===
	* Facultative anaerobic, [[Stain::Gram-positive]] coccus		* Facultative anaerobic, [[Stain::Gram-positive]] [[Cellular shape::coccus]]
	* [[Catalase test::Catalase-positive]] and [[~~Has coagulase~~ test::coagulase-positive]]		* [[Catalase test::Catalase-positive]] and [[Coagulase test::coagulase-positive]]
	* Microscopy: groups or clusters ("cluster of grapes")		* Microscopy: groups or clusters ("cluster of grapes")
	* Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar		* Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar

Aidan: Text replacement - "[[Has catalase test" to "[[Catalase test"

2020-08-05T00:53:12Z

Text replacement - "[[Has catalase test" to "[[Catalase test"

← Older revision		Revision as of 00:53, 5 August 2020
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	=== Microbiology ===		=== Microbiology ===
	* Facultative anaerobic, [[Stain::Gram-positive]] coccus		* Facultative anaerobic, [[Stain::Gram-positive]] coccus
	* [[~~Has catalase~~ test::Catalase-positive]] and [[Has coagulase test::coagulase-positive]]		* [[Catalase test::Catalase-positive]] and [[Has coagulase test::coagulase-positive]]
	* Microscopy: groups or clusters ("cluster of grapes")		* Microscopy: groups or clusters ("cluster of grapes")
	* Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar		* Colony morphology: large, round, golden yellow colonies, often hemolytic on blood agar

Aidan: Text replacement - "== Clinical Presentation" to "== Clinical Manifestations"

2020-08-02T12:05:51Z

Text replacement - "== Clinical Presentation" to "== Clinical Manifestations"

← Older revision		Revision as of 12:05, 2 August 2020
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	** ''mecA'' encodes PBP2a, conferring broad beta-lactam resistance		** ''mecA'' encodes PBP2a, conferring broad beta-lactam resistance

	== Clinical ~~Presentation~~ ==		== Clinical Manifestations ==
	=== Colonization ===		=== Colonization ===
	* About 20-30% of people carry it in their nares		* About 20-30% of people carry it in their nares

Aidan: Text replacement - "[[Has Gram stain::" to "[[Stain::"

2020-07-05T20:43:19Z

Text replacement - "[[Has Gram stain::" to "[[Stain::"

← Older revision		Revision as of 20:43, 5 July 2020
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	== Background ==		== Background ==
	=== Microbiology ===		=== Microbiology ===
	* Facultative anaerobic, [[~~Has Gram stain~~::Gram-positive]] coccus		* Facultative anaerobic, [[Stain::Gram-positive]] coccus
	* [[Has catalase test::Catalase-positive]] and [[Has coagulase test::coagulase-positive]]		* [[Has catalase test::Catalase-positive]] and [[Has coagulase test::coagulase-positive]]
	* Microscopy: groups or clusters ("cluster of grapes")		* Microscopy: groups or clusters ("cluster of grapes")

Staphylococcus aureus - Revision history

Aidan at 16:17, 25 June 2025

Aidan: /* Other Syndromes */

Aidan: Text replacement - "[[Cellular shape::" to "[[Shape::"

Aidan: /* Microbiology */

Aidan: Text replacement - "\[\[Catalase test::(.*?)-(.*?)\]\]" to "$1 Catalase::$2"

Aidan: /* Antibiotic resistance */

Aidan: /* Microbiology */

Aidan: Text replacement - "[[Has catalase test" to "[[Catalase test"

Aidan: Text replacement - "== Clinical Presentation" to "== Clinical Manifestations"

Aidan: Text replacement - "[[Has Gram stain::" to "[[Stain::"

Aidan: Text replacement - "\[\[Catalase test::(.?)-(.?)\]\]" to "$1 Catalase::$2"