16 results
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... #Pathophys #Pharmacology ... Antiarrhythmics #Classes ... #Effect #ActionPotentials
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Depolarization: • Na+ channels ... Phase • Ca++ channels ... Antiarrhythmics #Pharmacology ... Classification #Classes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... Vaughan #Williams #Pharmacology ... Classification #Classes
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Common sodium channel ... blockers which cause ... widening #ECG #EKG #Pharmacology ... Differential #Drugs #Classes
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Ib, Ic) - Na+ Channel ... Class III - K+ Channel ... Class IV - Ca2+ Channel ... Classification #Classes ... #cardiology #pharmacology
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Diarrhea, Insomnia, Nausea ... - Cognitive Changes ... gain Incr NE: Nausea ... Pathophysiology #Pharmacology
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
- Cognitive Changes ... Dizziness - Nausea ... Pathophysiology #Pharmacology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Non-specific ST-T Changes ... diagnosis #cardiology #electrocardiogram
Intern Pocket Cards - Inpatient Anti-Emetics Guide
Serotonin antagonists:
 • Ondansetron (Zofran), Granisetron (Kytril, Sancuso) - Headache,
Leukocytosis, mood changes ... pocketcardset #nausea ... #medications #pharmacology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Kidney stones caused ... Renal Epithelial Channels ... Nonspecific Cation Channel ... Diuresis #Nephrology #Pharmacology