Kelli Shared "ITD Viruses" - 25 Picmonics

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ITD Viruses

Herpes Simplex Virus (HSV)
Characteristics
Enveloped
Double Stranded DNA
Linear
Signs and Symptoms
Type 1 HSV
Gingivostomatitis
Keratoconjunctivitis
Encephalitis of Temporal Lobes
Latent in Trigeminal Ganglia
Type 2 HSV
Genital Vesicles
Neonatal Herpes
TORCHES
Latent in Sacral Ganglia
Diagnosis
Tzanck Test
Multinucleated Giant Cells
Cowdry A Inclusions
Treatment
Acyclovir
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2 mins
Epstein Barr Virus
Characteristics
Herpesvirus 4
Double Stranded DNA
Linear
Enveloped
Signs and Symptoms
Infectious Mononucleosis
Virus Attaches to CD21 in B Cells
Nasopharyngeal Carcinoma
Burkitt's Lymphoma
Hodgkin's Lymphoma
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1 min
Epstein Barr Virus Mononucleosis
Mononucleosis
Fever
Hepatomegaly
Splenomegaly
Pharyngitis
Posterior Cervical Lymphadenopathy
Atypical Lymphocytes
Heterophile Antibodies
Rash Develops if treated with Ampicillin
Hodgkin's Lymphoma
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2 mins
Cytomegalovirus (CMV)
Characteristics
Enveloped
Double Stranded DNA
Herpesvirus 5
Diagnosis
Non Heterophile Antibodies
Owl's eye inclusions
Signs and Symptoms
Congenital TORCH infection
Mononucleosis
Pneumonia
AIDS retinitis and esophagitis
Infection in transplant recipients
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2 mins
Cytomegalovirus (CMV) TORCH
Signs and Symptoms
Nonspecific TORCH symptoms
Intrauterine Growth Restriction (Retardation)
Deafness
Microcephaly
Seizures
Periventricular Calcifications
Petechial Rash
Blueberry Muffin Rash
Chorioretinitis
Diagnosis
Urine Viral Culture or PCR
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2 mins
Rotavirus
Characteristics
Reovirus
Non-enveloped
Double-Stranded
RNA Virus
Linear
11 Segments
Triple Icosahedral Capsid
Most Common Cause of Diarrhea Worldwide
Villous Atrophy
Winter Months
Day Care Centers
Treatment
Oral Rehydration
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2 mins
Norovirus
Characteristics
Calicivirus
RNA Virus
Non-enveloped
Icosahedral
SS Positive Linear
Symptoms
Acute Gastroenteritis
Treatment
Supportive Therapy
Considerations
Often found in Cruise Ships
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1 min
Hepatitis A
Characteristics
Picornavirus
4 Week Incubation Period
Fecal-oral
Day Care Centers
Travel to Developing Countries
Signs and Symptoms
Usually Asymptomatic
Acute Disease
Jaundice
Fever
Vomiting
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2 mins
Hepatitis B Virus Characteristics
Hepadnavirus
Enveloped
Circular
Partially Double-stranded DNA
Has Reverse Transcriptase
IV Drug Use
Sex
Maternal fetal routes
3 month incubation period
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2 mins
Hepatitis B Virus Disease
Can turn chronic
< 10% of adults become chronic carriers
90% of newborns become chronic carriers
Cirrhosis
Hepatocellular carcinoma
Membranous Glomerulonephritis
Polyarteritis nodosa
Serum sickness like syndrome
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2 mins
Rabies Virus
Characteristics
Enveloped
RNA Virus
SS Negative Linear
Helical
Bullet-Shaped Envelope
Binds to Acetylcholine Receptor
Retrograde Fashion
Migrates to Saliva
Diagnosis
Negri Bodies
Cytoplasmic Inclusions in Neurons
Purkinje Cells of Cerebellum
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2 mins
Rabies Symptoms and Animals
Characteristics
Bats, Skunks, and Raccoons (Inside United States)
Dog Bites (Outside United States)
Fever
Agitation
Paralysis
Hydrophobia
Photophobia
Considerations
Fatal If Not Treated
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1 min
Ebola Virus
RNA Virus
Filovirus
Marburg Virus
Linear
Helical
Enveloped
Negative Sense
Bat Reservoir
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1 min
Ebola Virus Symptoms
10 Day Incubation
Flu-like Symptoms
Impaired Blood Clotting
Hematemesis and Hemoptysis
Mucous Membrane Bleeding
Skin Bruising
Internal Hemorrhage
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1 min
Human Papillomavirus (HPV)
Characteristics
Non-enveloped
Circular
Double Stranded DNA
Disease
Warts 1, 2, 6, 11
Condyloma acuminata
Type 16, 18
Cervical Carcinoma
Penile Carcinoma
AIDS/Immunocompromised
Worsened by Smoking
Diagnosis
Koilocytic change in squamous epithelium
Pyknotic Nuclei Surrounded by Clear Halo
Treatment
Vaccine Available
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4 mins
Parvovirus B19
Characteristics
DNA
Single Stranded
Linear
Smallest DNA virus
Non-enveloped
Signs and Symptoms
5th Disease
Slapped Cheek Rash in Children
Erythema Infectiosum
Hydrops Fetalis
RBC aplasia
Arthritis in Adults
Aplastic Crisis in Sickle Cell
Myocarditis
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2 mins
Pox Virus
Characteristics
Enveloped
Double-Stranded DNA
Linear
Non-Icosahedral
Signs and Symptoms
Smallpox
Cowpox
Molluscum Contagiosum
Umbilicated Flesh-Colored Domed Lesions
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1 min
Varicella Zoster Virus (VZV)
Herpesvirus 3
Characteristics
Enveloped
Double Stranded DNA
Signs and Symptoms
Chickenpox
Pneumonia
Encephalitis
Trigeminal and Dorsal Root Ganglia
Shingles
Diagnosis
Tzanck Test
Multinucleated Giant Cells
Cowdry A Inclusion
Treatment
Acyclovir
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2 mins
Rhinovirus
Picornavirus
Cause of Common Cold
More than 100 Serologic Types
Destroyed by Stomach Acid
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31 secs
Rubella
Characteristics
RNA Virus
Togavirus
Enveloped
Icosahedral
SS Positive Linear
Signs and Symptoms
German Measles or Three-Day Measles
Fever
Postauricular Tenderness
Lymphadenopathy
Truncal Rash
Arthritis
Congenital TORCH Infection
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2 mins

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