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Home / Archives for sequestration

Pathophysiology of Malaria

May 5, 2012 By Malaria Q&A Leave a Comment

QUESTION What is the pathophysiology of malaria? ANSWER Malaria causes disease through a number of pathways, which depend to a certain extent on the species. Malaria is caused by a single-celled parasite of the genus Plasmodium; there are five species which infect humans, beingPlasmodium falciparum, P. vivax, P. ovale, P. malariae and P. knowlesi. All these species are introduced into … [Read more...]

Filed Under: Malaria Q&A Tagged With: cyclic fever, erythrocytic cycle, exo-erythrocytic stage, life cycle, liver stage, Malaria transmission, merozoites, Plasmodium, Plasmodium Falciparum, Plasmodium Knowlesi, Plasmodium malariae, Plasmodium Ovale, Plasmodium Vivax, red blood cells, reproduction, sequestration, sporozoite, synchronized rupture

Malaria Effects on the Body

April 11, 2012 By Malaria Q&A Leave a Comment

QUESTION What are the effects of malaria on the body? ANSWER Malaria has a number of effects on the body. The parasite passes from the blood (where it enters via the bite of an infected mosquito) into the liver, where it reproduces and changes form. After a period of 1-4 weeks (usually - it can be longer) in the liver, the malaria parasite re-enters the blood and begins to infect red … [Read more...]

Filed Under: Malaria Q&A Tagged With: Cerebral Malaria, immune response, liver stage, Malaria life cycle, malaria symtoms, Plasmodium Falciparum, Plasmodium Ovale, Plasmodium Vivax, Primaquine, red blood cell, relapse, sequestration, synchronous bursting

Malaria Symptoms

March 26, 2012 By Malaria Q&A Leave a Comment

QUESTION How does the virus cause the symptoms? ANSWER Malaria is actually not caused by a virus—it is caused by a microscopic single-celled parasite called Plasmodium. Several different species cause malaria in humans, the most common of which are P. vivax and P. falciparum. To describe the process in a very oversimplified way, the malaria parasites cause disease by infecting … [Read more...]

Filed Under: Malaria Q&A Tagged With: Anaemia, Cerebral Malaria, fever, haemoglobin, immune response, inflammation, parasite, Plasmodium, Plasmodium Falciparum, Plasmodium Vivax, red blood cells, sequestration, synchronised bursting

Dangerous

March 1, 2012 By Malaria Q&A Leave a Comment

QUESTION Why malaria so dangerous? ANSWER Malaria can be dangerous for a number of different reasons, some of which relate to each other. First of all, there are five different types of malaria that infect humans, and each varies in terms of its severity and potential for severe consequences. Even within these types, the severity of the disease caused (termed "virulence" by scientists and … [Read more...]

Filed Under: Malaria Q&A Tagged With: ACTs, artemisisin-based combination therapies, Cerebral Malaria, Coartem, life cycle, Malaria Symptoms, Malaria Treatment, Plasmodium Falciparum, Plasmodium Knowlesi, red blood cells, sequestration, World Health Organisation

Thalassaemia and Malaria

March 1, 2012 By Malaria Q&A Leave a Comment

QUESTION How can Thalassaemia effect Malaria infection? ANSWER Thalassaemia is the name given to a group of inherited genetic blood disorders, which result in reduced or no synthesis of one of the globin protein chains that combine to make haemaglobin. Haemaglobin is used to carry oxygen throughout the body and to its organs. Thalassaemia can result in anaemia; in some cases, this is … [Read more...]

Filed Under: Malaria Q&A Tagged With: Kenya, malaria protection, Plasmodium Falciparum, Plasmodium Vivax, red blood cell, sequestration, severe malaria, thalassaemia, Vanuatu

Frequent Urination and Malaria

February 28, 2012 By Malaria Q&A Leave a Comment

QUESTION Can malaria result in frequent urination, especially during night? ANSWER Malaria can affect the kidneys, especially malaria caused by P. falciparum. This could result in changes to urination patterns. However, at this stage in the infection, the patient would also be experiencing severe fever, chills and other symptoms associated with malaria. The fever would also likely be … [Read more...]

Filed Under: Malaria Q&A Tagged With: dehydration, kidney, Malaria Symptoms, Plasmodium Falciparum, sequestration, urination

Malaria in the Brain

February 22, 2012 By Malaria Q&A Leave a Comment

QUESTION I would like to know how dangerous is malaria in the brain? ANSWER Only a certain kind of malaria, Plasmodium falciparum, is usually associated with causing problems in the brain. The P. falciparum parasite infects red blood cells and changes their surface structure, causing them to become "sticky". These sticky red blood cells become lodged in the small blood vessels that flow … [Read more...]

Filed Under: Malaria Q&A Tagged With: Cerebral Malaria, complicated malaria, Malaria Symptoms, Malaria Treatment, Plasmodium Falciparum, red blood cells, sequestration

Why is Malaria Dangerous?

January 2, 2012 By Malaria Q&A Leave a Comment

QUESTION How does Malaria become so dangerous? ANSWER Malaria in humans can be caused by a number of different parasites - the most dangerous, and the one which is responsible for over 90% of the worldwide deaths from malaria, is Plasmodium falciparum. The reason that P. falciparum is so dangerous is because it affects the behaviour of red blood cells. Red blood cells that are infected … [Read more...]

Filed Under: Malaria Q&A Tagged With: Cerebral Malaria, Malaria Symptoms, organ failure, Plasmodium Falciparum, red blood cells, sequestration

Is it Common to Die of Malaria?

December 24, 2011 By Malaria Q&A Leave a Comment

QUESTION is it common to die of malaria? Why? Why not? ANSWER Thankfully, these days it is not very common to die from malaria. Out of an estimated 250 million cases of malaria around the world every year, there are only about 700,000 fatalities. However, 700,000 deaths every year is still a lot! If left undiagnosed and untreated, malaria can progress very rapidly and be a very … [Read more...]

Filed Under: Malaria Q&A Tagged With: Cerebral Malaria, indoor residual spraying, long-lasting insecticide treated bednets, Malaria Diagnosis, malaria mortality, Malaria Prevention, Malaria Treatment, Plasmodium Falciparum, red blood cells, sequestration

Malaria and the Brain

December 22, 2011 By Malaria Q&A Leave a Comment

QUESTION How long does it take malaria to reach your brain? ANSWER The process by which malaria affects the brain is complicated, and the amount of time also varies. First of all, only one species of malaria parasite is associated with the brain - this is Plasmodium falciparum, the most deadly form of malaria. It is dangerous because when it infects red blood cells, it makes them … [Read more...]

Filed Under: Malaria Q&A Tagged With: Cerebral Malaria, coma, death, impaired consciousness, Malaria Diagnosis, Malaria Symptoms, Malaria Treatment, Plasmodium Falciparum, red blood cells, sequestration

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