118 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
- Na+ Channel Blockade ... Beta Receptor Blockade ... III - K+ Channel Blockade ... - Ca2+ Channel Blockade ... Classification #Classes
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
neuromuscular blockade ... neuromuscular #blockade ... Anesthesiology #Causes
Immune Reactions and Immunosuppressant Drugs

Glucocorticoids - Inhibition of cytokine synthesis, e.g., IL-1, IL-2
Muromonab-CD3 - Monoclonal antibody
Calcineurin
cytokine synthesis, e.g ... IL-2 receptor blockade
Mechanical Bowel Obstruction and Ileus - Pathogenesis and Clinical Findings
Ileus: Functional bowel "blockage", no peristalsis
Mechanical Obstruction:
Functional bowel "blockage ... Obstruction: Physical blockage ... percussion • Nausea
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1A: Moderate Blockade ... CLASS 1B: Weak Blockade ... CLASS 1C: Strong Blockade ... Classification #Classes
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
A - AV nodal blockade ... Hyperkalemia Typical ECG
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
CLASS 1A: Moderate Blockade ... CLASS 1B: Weak Blockade ... CLASS 1C: Strong Blockade ... Classification #Classes
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
malignant, pediatric cases ... beta-adrenergic blockade ... beta-adrenergic blockade ... alpha-adrenergic blockade ... blockers before alpha blockade
Pharmacologic Treatment of Hypertensive Emergencies in Pregnancy
Drug - Dose range - Onset/oeak/duration - Side effects
 -
persistent fetal beta-blockade ... , tachycardia, nausea ... - Urapidil - Nausea
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
should identify any cause ... surgery related cause ... blood gas, 12-lead ECG ... POTENTIAL CAUSES ... neuromuscular blockade