Trypanosomes US Medical PG Flashcards - Medical Study Cards
Master Trypanosomes with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Trypanosomes Flashcard Deck - 10 Cards
Flashcard 1: Which stain is used to visualize Trypanosomes?_____
Answer: Giemsa
Flashcard 2: Which subspecies of Trypanosoma brucei is from East Africa?_____
Answer: Trypanosoma brucei rhodesiense
Flashcard 3: Motile, flagellated trypanosomes on blood smear are indicative of _____
Answer: Trypanosoma brucei
Flashcard 4: _____ is a CNS protozoal infection caused by Trypanosoma brucei subspecies that is diagnosed by a blood smear.
Answer: African Sleeping Sickness
Flashcard 5: What are the classic clinical and diagnostic findings associated with Trichomonas vaginalis?
Answer: Strawberry cervix, foul-smelling greenish discharge, motile trophozoites on wet mount.
Extra: Diagnosis: Wet mount showing motile pear-shaped trophozoites.
Treatment: Metronidazole (treat both partners).
Transmission: Sexual.
Flashcard 6: What are the clinical findings and treatment for Trichomonas vaginalis infection?
Answer: Foul-smelling, greenish vaginal discharge; strawberry cervix; motile trophozoites on wet mount. Treatment: Metronidazole (patient & partner).
Extra: Trichomoniasis is a common sexually transmitted infection caused by the protozoan Trichomonas vaginalis. Key findings include: \n- Clinical: Malodorous, thin, frothy, green-yellow discharge; pruritus; dysuria. \n- Physical Exam: "Strawberry cervix" (cervical petechiae). \n- Diagnosis: High pH (>4.5), motile pear-shaped trophozoites on saline wet mount. \n- Rule: Always treat both the patient and sexual partner to prevent reinfection.
Flashcard 7: Disease caused by Trypanosoma cruzi?
Answer: Chagas disease (American trypanosomiasis)
Extra: Transmission: Reduviid bug (kissing or assassin bug)
Diagnosis: Blood smear, C-shaped trypomastigote
Region: Central/South America
Clinical features: Romana sign, Chagasic cardiomyopathy, Megaesophagus, Megacolon
Flashcard 8: Chagas disease
Answer: Trypanosoma cruzi
Extra: Dilated cardiomyopathy, megacolon, megaesophagus. Treatment: Nifurtimox or Benznidazole.
Flashcard 9: What is the disease caused by Trypanosoma brucei (gambiense/rhodesiense)?
Answer: African sleeping sickness (African Trypanosomiasis) :: Vector? :: Tsetse fly (Glossina spp.)
Extra: Diagnosis: Blood smear showing trypomastigotes.
Common names/subspecies:
- T. brucei gambiense (West African, chronic)
- T. brucei rhodesiense (East African, acute)
Flashcard 10: What disease is caused by Naegleria fowleri?
Answer: Primary Amoebic Meningoencephalitis (PAM)
Extra: • Exposure: Swimming in warm freshwater lakes (enters via cribriform plate).
• Diagnosis: Amoebas in CSF.
• Course: Rapidly fatal meningoencephalitis.
• Treatment: Amphotericin B.
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