7 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization; changes ... prolonged PR and ... wave to produce classic ... #Progression #Table
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Evaluation and Management ... Evaluation begins ... palpitations, changes ... Most cases of hypokalemia-induced ... #Evaluation #Algorithm
Pathogenesis of Select Causes of Constipation in Adults and in Elderly

 • Mechanical (ex. Bowel Obstruction,
Pathogenesis of Select Causes ... Hypercalcemia) - ... hormone receptor changes ... anal canal -> Evacuation ... #constipation #pathophysiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... ASA class If ... event, follow ACC algorithm ... Change in clinical ... if result will change
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
countries (11-24 cases ... -60y (hormonal changes ... survival is 93-95% Pathophysiology ... hyperphosphatemia, hypercalcemia ... Self-limiting, chronic but stable