Dr. Mohammed Mustafa Sunbul 2006/2007
Parasitology (1st lec.)
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parasitolog y 1 lecture Female side st
organized by
Dr. Mohammed Sunbul
Dr. Mohammed Mustafa Sunbul 2006/2007
Parasitology (1st lec.)
INTRODUCTION Types of hosts
Host-parasite relationship Types of parasites - Facultative parasites: - Obligatory parasites:
Parasite life cycles - The parasite's life cycle consists of 2 common phases:
What do parasites look like (Morphology and Classifications)? How are parasites named (Nomenclature)? Sources of exposure to parasitic infections or infestations Portal of entry into the body 1- Through the mouth: 2- Through piercing the skin: 3- Percutaneous: 4- Inhalation: 5- Transplacental (Congenital) infections:
Dr. Mohammed Mustafa Sunbul 2006/2007
Parasitology (1st lec.)
Disease Process and Symptomatology Strategies for the diagnosis of parasitic infections Approach to the patient: Travel history details of the presenting complaint, repeated history taking may be beneficial Past history History of hospitalization Past history of prolonged illnessor feverspecial medications. Geographic history General history
Clinical Picture: Gastro-intestinal symptoms
Respiratory symptoms
Neurological symptoms
Cutaneous symptoms
Diarrhea.
Cough. Cough and wheeze for a short period of time. prolonged cough and bronchospasm. Dry cough. Cough and blood stained sputum.
Seizure.
Pruritis: -Localization of the itch is very important.
Abdominal pains or cramps. Passage of worms or segments in stool & vomits.
Primary amoebic meningitis. Meningoencephalitis. Blindness.
Ulceration. Subcutaneous mass. Erythematous patches. Urticaria.
Clinical examination - The clinical examination of a patient with parasitic infection should be thorough - The skin must be carefully observed - Lymphadenopathy - Lymphatic vessels may be inflamed with surrounding edema - The presence of an enlarged liver or spleen - The results of a full blood count may reveal eosinophilia.
Summary of Diagnosis of parasitic diseases History Clinical diagnosis
Dr. Mohammed Mustafa Sunbul 2006/2007
Parasitology (1st lec.)
Confirmatory diagnosis (Lab diagnosis)
**Following proper diagnosis, medication can be determined.
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