Fawaz Shared "JT antivirals & antiarrhythmics" - 25 Picmonics
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JT antivirals & antiarrhythmics
Class IA Antiarrhythmics (Na+ Channel Blockers)
- Indications
- Arrhythmias
- Mechanism of Action
- Increase AP, ERP, and QT interval.
- Drugs
- Disopyramide
- Procainamide
- Drug-induced Lupus
- Quinidine
- Cinchonism
- Shared Side Effects
- Thrombocytopenia
- Torsades de Pointes
1 min
Class IB Antiarrhythmics (Na+ Channel Blockers)
- Indications
- Arrhythmias
- After Myocardial Infarction
- Mechanism of Action
- Affect Ischemic Tissue
- Decrease AP duration
- Drugs
- Mexiletine
- GI Upset
- Lidocaine
- CNS Depression
- Tocainide
- Phenytoin
- Hirsutism
2 mins
Class IC Antiarrhythmics (Na+ Channel Blockers)
- Indications
- Used as Last Resort
- V-Tach
- Mechanism of Action
- No Effect on AP Duration
- Drugs
- Propafenone
- Flecainide
- Contraindications
- Post-Myocardial Infarction
56 secs
Class III Antiarrhythmics (K+ Channel Blockers)
- Indications
- Arrhythmias
- Mechanism of Action
- Increase AP Duration, ERP, and QT Interval
- Drug Names
- Amiodarone
- Check Function Tests
- Dirty Drug
- Ibutilide
- Dofetilide
- Sotalol
- Beta-Blocker
2 mins
Class IV Antiarrhythmics (Ca2+ Channel Blockers)
- Indications
- SVT
- Subarachnoid Hemorrhage
- Mechanism of Action
- Decrease Conduction Velocity
- Increase PR Interval and ERP
- Drugs
- Verapamil
- Diltiazem
- Nimodipine
- Side Effects
- Cardiovascular
- Constipation
2 mins
Phenytoin
- Indications
- Status Epilepticus
- Tonic-Clonic Seizures
- Mechanism of Action
- Blocks Na+ Channel Activation
- Inhibition of Glutamate Release
- Class IB Antiarrhythmic
- Side Effects
- Teratogenic
- Macrocytic Megaloblastic Anemia
- Induce Cytochrome P450
- Drug-induced Lupus
- Neuropathy
- Hirsutism
- Gingival Hyperplasia
1 min
Digoxin (Lanoxin)
- Mechanism of Action
- Increases Inotropy
- Indications
- Heart Failure
- Atrial Fibrillation
- Side Effects
- Bradycardia
- Fatigue
- Contraindications
- Heart Block
- Nursing Considerations
- Heart Rate Below 60
- Hypokalemia
- Monitor for Toxicity and Visual Changes
- Digibind
2 mins
Digoxin Mechanism and Indication
- Direct inhibition of Na K ATPase
- Indirect inhibition of Na Ca exchanger
- Increase Ca in cell
- Positive Inotropy
- CHF
- Stimulates Vagus Nerve
- Decreased conduction at AV node
- Atrial Fibrillation
1 min
Acute Digoxin Toxicity
- Clinical Symptoms
- Hyperkalemia
- Cholinergic (Nausea, Vomiting, Diarrhea)
- Blurry Yellow Green Vision with Halo of Light
- Arrhythmia
- Bradycardia
- EKG Changes
- Prolonged PR interval
- Decreased QT
- Scooping on EKG
- T Wave Inversion
2 mins
Digoxin Toxicity Treatment
- Activated Charcoal
- Slowly Normalize K+
- Digibind (Anti-Digoxin Fab)
- Magnesium Sulfate
- Lidocaine
- Cardiac Pacing
2 mins
Lidocaine
- Mechanism
- Blocks Na+ Channels
- Indications
- Ventricular Arrhythmia
- Anesthetic
- Side Effects
- Paresthesias
- Seizures
- Respiratory Depression
- Drowsiness
- Consideration
- Anesthetic Effects Extended with Epinephrine
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
Cidofovir
- Indications
- CMV Retinitis
- Acyclovir-Resistant HSV
- Mechanism
- Inhibits Viral DNA Polymerase
- Side Effects
- Nephrotoxicity
- Administer with Probenecid and IV Saline
1 min
Foscarnet
- Indications
- CMV Retinitis
- Acyclovir-resistant HSV
- Mechanism
- Does Not Require Activation (by Viral Kinase)
- Inhibits Viral DNA Polymerase
- Pyrophosphate Analog
- Resistance through Mutated DNA Polymerase
- Side Effects
- Nephrotoxicity
- Electrolyte Abnormalities
- Hypokalemia
- Hypocalcemia
- Hypomagnesemia
2 mins
Ganciclovir
- Indications
- Cytomegalovirus (CMV)
- Immunocompromised
- Mechanism
- Guanosine Analog
- Disrupts DNA Synthesis
- Inhibits Viral DNA Polymerase
- Side Effects
- Hematologic Effects
- Nephrotoxicity
1 min
Ribavirin
- Mechanism
- Hypermutation in RNA Viruses
- Inhibits Inosine Monophosphate Dehydrogenase
- Indications
- Hepatitis C
- Viral Hemorrhagic Fevers
- Respiratory Syncytial Virus (RSV)
- Side Effects
- Hemolytic Anemia
- Teratogen
1 min
Fusion Inhibitors
- Indications
- HIV
- Drugs
- Maraviroc
- Binds CCR-5 on T Cells
- Blocks Interaction with gp120
- Enfuvirtide
- Binds gp41
- Inhibits Viral Entry
- Side Effects
- Skin Reactions at Injection Sites (Enfuvirtide)
2 mins
HAART
- HIV
- Begin at Diagnosis
- 3 Drugs
- 2 NRTIs (Nucleoside Reverse Transcriptase Inhibitors)
- And one of the following:
- NNRTI (Non-Nucleoside Reverse Transcriptase Inhibitor)
- or Protease Inhibitor
- or Integrase Inhibitor
1 min
Integrase Inhibitors
- -gravir Suffix
- Indications
- HIV
- Mechanism
- Blocks Insertion of Viral Genome
- Inhibit Actions of Integrase
- Side Effects
- Hypercholesterolemia
- Increased LFT's
- Insomnia
- Increased Creatine Kinase (CK)
1 min
NNRTI Drug Names
- Nevirapine (Viramune)
- Rilpivirine (Edurant)
- Delavirdine (DLV, Rescriptor)
- Efavirenz (EFV, Sustiva)
- Etravirine (ETR, Intelence)
54 secs
