Christylynne Shared "S1-B4 - Micro - Viruses" - 23 Picmonics

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S1-B4 - Micro - Viruses

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
Varicella (Chickenpox)
Mechanism
Varicella Zoster Virus (VZV)
Signs and Symptoms
Red Maculopapular Rash
Vesicles Ooze and Crust
Pruritus
Centripetal
Considerations
Varicella Immunization
Skin Care to Minimize Itching
Isolate until Vesicles Crust
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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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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
Adenovirus
Characteristics
Non-enveloped
Icosahedral
Linear
Double Stranded DNA
Signs and Symptoms
Pharyngitis
Conjunctivitis
Fever
Summer Swimming
Day Care Centers
Acute Hemorrhagic Cystitis
Pneumonia
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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
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
Picornavirus
Characteristics
Non-enveloped
RNA Virus
Icosahedral
Positive Sense
A large polypeptide cleaved by proteases
Viruses
Rhinovirus
Poliovirus
Coxsackievirus
Hepatitis A Virus
Echovirus
Aseptic meningitis
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1 min
Rhinovirus
Picornavirus
Cause of Common Cold
More than 100 Serologic Types
Destroyed by Stomach Acid
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31 secs
Coxsackievirus
Characteristics
Picornavirus
Signs and Symptoms
Coxsackie A
Febrile Pharyngitis
Hand, Foot, and Mouth Disease
Most Common Cause of Aseptic Meningitis
Late Summer
Coxsackie B
Myocarditis
Dilated Cardiomyopathy
Type 1 Diabetes
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2 mins
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
Rubella TORCH
Signs and Symptoms
Nonspecific TORCH Symptoms
Patent Ductus Arteriosus
Pulmonary Artery Hypoplasia
Cataracts
Deafness
Blueberry Muffin Rash
Glaucoma
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1 min
Coronavirus
Characteristics
RNA Virus
Enveloped
Helical
SS Positive Linear
Symptoms
Common Cold
SARS (Severe Acute Respiratory Syndrome)
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1 min
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 C
Characteristics
Enveloped
RNA Virus
Flavivirus
Icosahedral
SS positive Linear
Clinical Features
Most Cases are Due to IV Drug Use
Turns to Chronic Hepatitis in Over 70% of Cases
Cirrhosis
Hepatocellular Carcinoma
Most Common Indication for Liver Transplantation
Associated With Type I MPGN
Porphyria Cutanea Tarda
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2 mins
Respiratory Syncytial Virus (RSV) Assessment
Mechanism
Viral Infection Affecting Epithelial Cells
Signs and Symptoms
Begins After a Upper Respiratory Infection
Copious Secretions
Coughing and Sneezing
Wheezing
Otitis Media or Conjunctivitis (Possible Ear or Eye Drainage)
Poor Feeding
Tachypnea
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2 mins
Mumps Virus
Characteristics
Paramyxovirus
Signs and Symptoms
Parotitis
Increased Serum Amylase
Orchitis
Oophoritis
Aseptic Meningitis
Pancreatitis
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59 secs

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