eschar

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eschar

 [es´kahr]
1. a slough produced by a thermal burn or a corrosive application, or by gangrene.
2. tache noire.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

es·char

(es'kar),
A thick, coagulated crust or slough which develops following a thermal burn or chemical or physical cauterization of the skin.
[G. eschara, a fireplace, a scab caused by burning]
Farlex Partner Medical Dictionary © Farlex 2012

eschar

(ĕs′kär′)
n.
A dry scab or slough formed on the skin as a result of a burn or by the action of a corrosive or caustic substance.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

es·char

(es'kahr)
A thick, coagulated crust or slough that develops following a thermal burn or chemical or physical cauterization of the skin.
[G. eschara, a fireplace, a scab caused by burning]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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ESCHAR

eschar

(es'kar?) [Gr. eschara, hearth, brazier, burning coal, burn, scab]
Dead matter that is cast off from the surface of the skin, esp. after a burn. The tissue is hard, black or brown, and leathery in texture.
See: illustration; escharotic
Medical Dictionary, © 2009 Farlex and Partners

eschar

An area of dead, separated tissue (SLOUGH) produced by skin damage by a caustic substance or a burn.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Eschar

A hard crust or scab. In scrub typhus, an eschar forms over the initial sore from the chigger bite.
Mentioned in: Debridement, Rickettsialpox, Scrub Typhus
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
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References in periodicals archive ?
Chlorhexidine ointment was applied to the eschar of the right stifle injury, but no bandage was placed because of the location of the injury.
Successful, Full-Thickness Skin Graft in a Bald Eagle (Haliaeetus leucocephalus)
However, patients with murine typhus experienced myalgia, conjunctivitis, nausea, cough, and vomiting less frequently than patients with scrub typhus, and no lymphadenopathy or eschars were described, which counters previous reports (11).
Clinical Manifestations and Molecular Diagnosis of Scrub Typhus and Murine Typhus, Vietnam, 2015-2017
As per symptom wise incidence rate was also included in present study, highest bacteria was isolated from rash (32.14%) and lowest from eschar and insect bite history (6%).
A Bacterial Profile of Scrub typhus Infections in North Karnataka and their Isolation by Serological and Molecular Method
A painless papule occurs at the bite site prior to other disease symptoms that later ulcerates and transforms into a black crust or eschar in a variable proportion of patients, but is a useful indicator of the disease.
Study of distribution of eschars in paediatric scrub typhus patients at a tertiary care hospital
(28) These cases more closely resembled SF rickettsial infections with high fevers, headaches, arthralgias, myalgias, eschars, rashes, and evidence of CNS involvement with photophobia, hearing loss, and meningismus.
Recognizing reemerging and recently described rickettsial infections in the United States
Epidemiology of scrub typhus and the eschars patterns in South Korea from 2008 to 2012.
Distinguishing Japanese Spotted Fever and Scrub Typhus, Central Japan, 2004- 2015
RESULTS: During the study period a total of 52 patients were diagnosed with scrub typhus (Positive for IgM) and had an eschar. The mean (standard deviation) age of the patients was 6.4 [+ or -] 2.7 years and there were 32 females and 20 males.
Distribution of eschar in children with scrub typhus
Of the acutely ill patients who had positive mIFA results, 67% had pathognomonic eschars, confirming the clinical diagnostic value in this sign of systemic infection.
Scrub typhus outbreak in a remote primary school, Bhutan, 2014
cases 36 21 Geographic location Zimbabwe and Algeria, France, Morocco, South Africa Portugal, South Africa Median age [+ or -] 58 [+ or -] 12 53 [+ or -] 18 SD (IQR), y (31-80) (10-80) Female sex 14 (39) 7 (33) Recent travel 36 17 Clinical signs Fever 35 (97) 21 (100) Rash 24 (67) 20 (95) Enlarged lymph nodes 15 (42) 3 (14) Lymphadenopathy location Cervical 1 (3) 3 (14) Inguinal 14 (39) 0 Axillary 0 0 Eschar 36 (100) 18 (86) Multiple eschars 13 (36) 0 Eschar location Scalp 0 2 (10) Lower limbs 32 (89) 3 (14) Upper limbs 2 (6) 2 (10) Trunk 2 (6) 5 (24) Neck 0 0 Lymphangitis 0 0 Treatment (duration, d) Doxycycline 34 (1 -20) 21 (7-21) Amoxicillin 2 (7) None Pristinamycin None 1 (7) Azithromycin None None Characteristic R.
Rickettsia sibirica mongolitimonae infection, France, 2010-2014
Patients were considered possibly infected if they had clinical signs (fever, skin eschar, local lymph node enlargement) and if a removed tick was positive for Coxiella-like bacteria according to qPCR but no skin biopsy was sampled or when serologic results were positive.
Candidatus Coxiella massiliensis infection
No rashes, eschars, or lymphadenopathies were noted.
Two human cases of Rickettsia felis infection, Thailand
The only sign on physical examination was the presence of 2 eschars on his lower right eyelid, associated with right periorbital edema (Figure) and painful rightsided cervical lymphadenopathies.
Detection of Rickettsia sibirica mongolitimonae by using cutaneous swab samples and quantitative PCR

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