Ace Your First Aid for the USMLE Step 1 (2022) 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 (2022) | Medicine (MD/DO) School Study Aid
Ampicillin and Amoxicillin
- Mechanism
- Aminopenicillin
- Broad Spectrum Penicillin
- Indications
- Gram-Positive and Some Gram-Negative Infections
- Side Effects
- Rash
- Diarrhea
- Considerations
- No Effect Against Staph Aureus
- Often combined with Beta Lactamase Inhibitor
- Allergic Reaction
2 mins
Azoles (Ketoconazole)
- "-azole" suffix
- Indications
- Local and Less Serious Systemic Mycosis
- Mechanism
- Inhibits Ergosterol Synthesis
- Inhibits P450
- Side Effects
- Liver Dysfunction
- Inhibition of Testosterone Synthesis
1 min
Tetracycline Mechanism
- Binds to 30 S to Prevent Attachment of Aminoacyl tRNA
- Limited CNS Penetration
- Divalent Cations Inhibit Absorption
- Must Not Take with Milk, Antacids, Iron
1 min
Acyclovir (Zovirax)
- Mechanism
- Guanosine Analog
- Inhibits Viral Replication
- Thymidine Kinase Activation
- Indications
- Herpes Simplex Virus (HSV)
- Varicella Zoster Virus (VZV)
- Side Effects (Oral)
- Headache
- GI Distress
- Side Effects (IV)
- CNS Toxicity
- Nephrotoxicity (Crystalline Nephropathy)
- Considerations
- Prevents Recurrent Episodes
- Slow IV Infusion
2 mins
Rasburicase
- Characteristics
- Recombinant Uricase
- Converts Uric Acid to Allantoin
- Inidication
- Hyperuricemia
- Tumor Lysis Syndrome
- Side Effects
- Hypersensitivity Reaction
- Methemoglobinemia
- Considerations
- Contraindicated in G6PD Deficiency
1 min
Cisplatin
- Indications
- Carcinomas
- Ovarian
- Bladder
- Lung
- Testicular
- Mechanism
- Cross-Links DNA
- Side Effects
- Ototoxicity
- Nephrotoxicity
- Treat with Amifostine and Chloride Diuresis
2 mins
Doxorubicin (Adriamycin)
- Indications
- Solid Tumors
- Lymphomas and Leukemias
- Mechanism
- Free Radical Production
- Intercalates DNA
- Prevents Double Helix from Sealing
- Side Effect
- Cardiotoxicity
- Dexrazoxane Decreases Toxicity
1 min
Paclitaxel (Taxanes)
- Mechanism of Action
- Taxane
- Stabilizes Microtubules
- Indications
- Breast Cancer
- Ovarian Cancer
- Non-Small Cell Lung Cancer
- Kaposi Sarcoma (HHV-8)
- Side Effects
- Mucositis
- Myelosuppression
- Peripheral Neuropathy
- Hypersensitivity
- Alopecia
- Considerations
- Diphenhydramine (Benadryl)
2 mins
Risperidone (Risperdal)
- Mechanism
- Atypical Antipsychotic
- Indications
- Schizophrenia
- Bipolar Mania
- Autism-Associated Irritability
- Side Effects
- Extrapyramidal Symptoms
- Hyperprolactinemia
- Gynecomastia
- Galactorrhea
- Amenorrhea
- Prolonged QT
- Considerations
- Intramuscular Long Acting (Depot) Form
2 mins
Phenobarbital (Barbiturates)
- Mechanism
- Barbiturate
- Indications
- Seizures
- Side Effects
- Ataxia
- Paradoxical Excitement
- Fatigue/Drowsiness
- Considerations
- Monitor Plasma Levels
- High Potential for Abuse
1 min
Lidocaine
- Mechanism
- Blocks Na+ Channels
- Indications
- Ventricular Arrhythmia
- Anesthetic
- Side Effects
- Paresthesias
- Seizures
- Respiratory Depression
- Drowsiness
- Consideration
- Anesthetic Effects Extended with Epinephrine
1 min
Sumatriptan
- Mechanism of Action
- Short Half-Life
- 5-HT Agonist
- Inhibits Trigeminal Nerve Activation
- Induces Vasoconstriction
- Indications
- Migraine
- Cluster Headache
- Side Effects
- Increased Risk of Serotonin Syndrome
- Paresthesias
- Coronary Vasospasm
- Contraindication
- Prinzmetal's Angina
- Coronary Artery Disease (CAD)
3 mins
Benzodiazepines Overview
- Indications
- First Line for Status Epilepticus
- Anesthesia Induction
- Anxiety
- Eclampsia
- Detoxification
- Mechanism of Action
- '-zepam' and '-zolam" Suffix
- Increase Frequency of Cl- Channel Opening
- Side Effects
- Decrease REM Sleep
- CNS Depression
- Dependence
- Antidote
- Flumazenil for Overdose
2 mins
