Heat stroke, Biology

Assignment Help:

Heat stroke

It is also known as sun stroke or hyperthermia and results in excessive rise of body temperature and absence of sweating.

Etiology: The disease is caused by high environmental temperature and high humidity, may or may not be accompanied with severe muscular activity. The animals with heavy hair coat or kept in poorly ventilated houses are more susceptible. Damage to hypo-thalamus as in FMD, dehydration, poisoning with strychnine, levamisole or claviceps and iodism also result in hyperthermia.

Pathogenesis: When the environmental temperature is high, animal gains more amount of heat from environment. However, due to high humidity, the heat can not be lost in proportional amount through perspiration as a result of which body temperature is elevated. Similarly, due to excessive muscular activity, there is more heat gain and if environment is having high humidity, heat can not be lost which increases body temperature. In such cases, the set point of body temperature in the hypothalamus is not affected.

Clinical signs: There is sudden rise in body temperature, pulse and respiration rates while sweating and salivation are almost absent. The animals become dull and depressed, thirst is increased and they try to lie down in cool places. If the condition persists, animals collapse, show convulsions and die.

Diagnosis: It is diagnosed by clinical symptoms. However, it should be differentiated from hyperpyrexia which is usually related to infectious agents. In cases of septicaemia, growth on blood culture, petechial haemorrhages on mucosae, and changes in blood picture are noticed.

Treatment: If the temperature increases suddenly, cold packs should be applied and animal should be kept at cool places with enough drinking water. These animals should be given enough glucose and protein as supportive treatment to maintain the body requirements. Normal saline should be given intravenously.


Related Discussions:- Heat stroke

Material basis of primitive life, Material Basis of Primitive Life: In ...

Material Basis of Primitive Life: In  the primitive society, human beings invented tools for catching animals, and for collecting, transporting and even preparing food.  They l

X linked in the calico cat, A calico female has a litter of kitten which in...

A calico female has a litter of kitten which includes several calico females a yellow male a couple of yellow females and two black males what is the likely color of the father and

Mechanisms that affect the heart rate, Mechanisms that Affect the Heart Rat...

Mechanisms that Affect the Heart Rate Two different mechanisms affect the heart rate. Nerve impulse to the pacemaker region and hormonal influences. A branch of the vagues ner

Define the methyl red test - imvic test, Define the Methyl Red Test? As...

Define the Methyl Red Test? As you have read in previous section, all enteric bacteria utilize glucose to obtain energy. Depending upon the end products formed, all enteric bac

Mitosis, What are the steps of mitosis in order?

What are the steps of mitosis in order?

What are mutagenic agents, What are mutagenic agents? The Mutagenic age...

What are mutagenic agents? The Mutagenic agents, or mutagens, are physical, chemical or biological factors that can cause alteration in DNA molecules. Instances of believed

Which alpha-helices would not be found in a protein, Please explain the dif...

Please explain the differences between an integral membrane protein, a Davison-Danielli peripheral membrane protein, and a protein in which alpha-helices would not be found.

Diagnostic clues - peripheral vascular disorders, Diagnostic Clues 1)...

Diagnostic Clues 1) When pallor, decrease in temperature, and numbness are the only complaints, viability of the limb usually not threatened. A condition of pain, pallor,

Bi-parental reproduction, Normal 0 false false false EN...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd