27 results
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
Drugs affecting ... to the sodium-channel ... repolarizing eflux of potassium ... #Pathophys #Pharmacology ... Antiarrhythmics #Classes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
1 - Sodium Channel ... 3 - Potassium Channel ... Vaughan #Williams #Pharmacology ... Classification #Classes ... #pathophysiology
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Common sodium channel ... blockers which cause ... widening #ECG #EKG #Pharmacology ... Medications #Toxicology #Diagnosis ... #Classes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... 3 - Potassium Channel ... Antiarrhythmics #Pharmacology ... Classification #Classes ... #pathophysiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Mechanisms of Drug-Induced ... Heparin) • Sodium-channel ... #pathophysiology ... #pharmacology # ... potassium #medications
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
- Cognitive Changes ... Serotonin #Inhibitors #Pathophysiology ... #Pharmacology # ... SideEffects #Psychiatry #Diagnosis ... #Signs #Symptoms
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
- Cognitive Changes ... SerotoninNorepinephrine #Inhibitors #Pathophysiology ... #Pharmacology # ... SideEffects #Psychiatry #Diagnosis ... #Signs #Symptoms
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... osmotic diuresis - Potassium ... Hypomagnesemia #Causes ... #diagnosis #differential ... #pharmacology #
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
share the same pathophysiology ... • Other rare causes ... Overproduction #diagnosis ... #signs #symptoms ... endocrinology #pathophysiology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
can induce color change ... hematuria • Signs ... urinary tract) Causes ... Postpartum • Drugs ... #causes #urology