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Medical Refrigeration for Safety

ID-10091061For keeping many medical items safely (for preserving items properly) refrigerator is must in any medical setup. Medical setups like hospitals, nursing homes, diagnostic and research laboratories, clinical research organizations and in every field of medical research require medical refrigerators. Medical refrigerators generally provide CFC free refrigeration system and insulation. Medical refrigerators are easily available these days, due to the use of them in all the medical facilities.

Medical refrigeration is unique in its way as the medical refrigerators need to have some special features in them. The following special features should be there in a good quality medical refrigerator:

  1. Temperature of inside air should be maintained between +2ºC and +8ºC (unlike household refrigerators which maintain internal air temperature between +4ºC and +8ºC).
  2. Microprocessor digital temperature control with maximum/minimum memory for continuous monitoring of temperature between +2ºC and +8ºC.
  3. The door of the medical refrigerator has to be made of good quality and transparent glass.
  4. Digital display of temperature, humidity and provision of internal fluorescent light (which is not switched off when door is closed). Read more…

Posted by - January 28, 2014 at 2:14 pm

Categories: General   Tags:

Typhus: Scrub Typhus

Scrub typhus is the commonest type of typhus in men. Scrub typhus is caused by O. tsutsugamushi. It is maintained by transovarian transmission in trombiculid mites. After hatching, infected larval mites known as chigger, which is the only stage that feeds on a host, inoculate organisms into the skin. Scrub typhus is endemic in eastern and southern Asia, northern Australia, and islands of the western Pacific and Indian Oceans.

The mode of transmission is as follows:


Mite to Rats & mice to Mite to  Rats & mice




Signs & Symptoms: The symptoms can be from mild self limiting disease to fatal. Incubation period of scrub typhus is 6–21 days. Fever, headache, cough, myalgia, and gastrointestinal symptoms are common. The classic symptom includes an eschar where the chigger feeds, regional lymphadenopathy, and a maculopapular rash, but only rarely seen. Severe cases include encephalitis and interstitial pneumonia which are due to vascular injury. The case-fatality rate for untreated classic cases is 7%.

Diagnosis:  Diagnosis is mainly by clinical symptoms. IFA (immuno fluorescent assay), indirect immunoperoxidase, and enzyme immunoassays are the laboratory diagnosis techniques.

Treatment: Doxycycline 100 mg twice a day for 7 -15 days or chloramphenicol 500 mg four times a day orally for 7–15 days is the treatment of choice.

Some cases of scrub typhus as seen in Thailand are caused by doxycycline or chloramphenicol resistant strains. These doxycycline or chloramphenicol resistant cases of scrub typhus are treated with rifampin, azithromycin or clarithromycin.

Prevention: Good personal hygiene is required for prevention. Clearing of vegetation where rats and mice live and application of insecticides like lindane, chlordane to ground and vegetation to control the mite. No vaccine is available at present.

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Posted by - October 3, 2008 at 12:56 pm

Categories: Ricketssial Diseases   Tags: , ,