Ace Your First Aid for the USMLE Step 1 (2021) Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Medicine (MD/DO) Students
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First Aid for the USMLE Step 1 (2021) | Medicine (MD/DO) School Study Aid
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
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
1 min
Poliomyelitis
- Characteristics
- Poliovirus
- Picornavirus
- Fecal-Oral Transmission
- Destruction of Anterior Horn
- Clinical Features
- Flaccid Paralysis
- Hyporeflexia
- Fasciculations
- Diagnosis
- Elevated CSF Lymphocytes and Proteins
- Normal CSF Glucose
- Viral Culture or PCR
- Management
- Supportive Care
- Vaccination
3 mins
Rhinovirus
- Picornavirus
- Cause of Common Cold
- More than 100 Serologic Types
- Destroyed by Stomach Acid
32 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
2 mins
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
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
1 min
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
2 mins
Yellow Fever Virus
- Characteristics
- Flavivirus
- RNA Virus
- Enveloped
- Icosahedral
- SS Positive Linear
- Transmitted By Aedes Mosquitos
- Monkey or Human Reservoir
- Signs and Symptoms
- High fever
- Jaundice
- Black vomitus
2 mins
Rubella
- Characteristics
- RNA Virus
- Matonaviridae
- Enveloped
- Icosahedral
- SS Positive Linear
- Signs and Symptoms
- German Measles or Three-Day Measles
- Fever
- Postauricular Tenderness
- Lymphadenopathy
- Truncal Rash
- Arthritis
- Congenital TORCH Infection
2 mins
Human Immunodeficiency Virus (HIV) Assessment
- Assessment
- RNA Retrovirus
- CD4+ Helper T Cells
- Primary Infection
- Flu-like Symptoms
- Lymphadenopathy
- Symptomatic Stage
- Fatigue
- Diarrhea
- Unexplained Weight Loss
- White Spots on Tongue
- Persistent Fever
- Night Sweats
2 mins
Adult T Cell Lymphoma
- Caused by HTLV 1
- Japan, West Africa, Caribbean
- Present with cutaneous lesions
- Aggressive
1 min
Coronavirus
- Characteristics
- RNA Virus
- Enveloped
- Helical
- SS Positive Linear
- Symptoms
- Common Cold
- SARS (Severe Acute Respiratory Syndrome)
1 min
Influenza Virus
- Characteristics
- RNA Virus
- Orthomyxovirus
- Enveloped
- Negative Sense
- 8 Segments
- Helical
- Hemagglutinin for Viral Entry
- Neuraminidase for Virion Release
- Genetic Shift
- Reassortment of genome to cause major change
- Genetic Drift
- Minor Antigenic Mutations
- Considerations
- Reye Syndrome with Aspirin Use
- Guillain-Barre Syndrome
3 mins
Paramyxovirus
- Characteristics
- Enveloped
- RNA Virus
- Helical
- SS Negative Linear
- Nonsegmented
- Surface Fusion Protein Causes Multinucleated Cells
- Presentation
- Measles
- Mumps
- Bronchiolitis in Babies
- Viruses
- Parainfluenza
- Respiratory Syncytial Virus (RSV)
2 mins
Parainfluenza Virus
- Characteristics
- Paramyxovirus
- Signs and Symptoms
- Croup
- Barking Seal Cough
- Inspiratory Stridor
- Steeple Sign
2 mins
Rubeola Virus
- Characteristics
- RNA Virus
- Paramyxovirus
- Signs and Symptoms
- Measles
- Rash Spreads From Head to Toe
- Koplik Spots First
- Red Spots with Blue-White Center on Buccal Mucosa
- Cough
- Coryza
- Conjunctivitis
- Subacute Sclerosing Panencephalitis
- Giant Cell Pneumonia in Immunosuppressed Patients
- Warthin-Finkeldey Multinucleated Giant Cells
- Treatment
- Vitamin A
3 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
2 mins
Mumps Virus
- Characteristics
- Paramyxovirus
- Signs and Symptoms
- Parotitis
- Increased Serum Amylase
- Orchitis
- Oophoritis
- Aseptic Meningitis
- Pancreatitis
59 secs
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
2 mins
Ebola Virus
- RNA Virus
- Filovirus
- Marburg Virus
- Linear
- Helical
- Enveloped
- Negative Sense
- Bat Reservoir
1 min
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