11 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Class I agents ... Channel Blockers⠀ Class ... agents in this class ... beta blockers.⠀ Class ... Channel Blockers Class
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
activation (↓ cAMP and Ca ... receptors, and Ca ... MOA: Block slow Ca ... channels to prevent Ca ... #Classes #pathophysiology
Causes of Stroke - Ischemic, Hemorrhagic, Subarachnoid - Differential Diagnosis Algorithm
 • Ischemic
 • Intracerebral Hemorrhage
Causes of Stroke ... Differential Diagnosis Algorithm ... Hemorrhage #Stroke ... #CVA #Neurology ... Differential #Diagnosis #Algorithm
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: CLASS 1 - Sodium ... duration - CLASS ... duration - CLASS ... 1C: Strong Blockade ... #Classes #pathophysiology
Causes of Subarachnoid Hemorrhage - Differential Diagnosis Algorithm
Vessel Disease
 • Aneurysm
 • Vascular Malformation
Other
 • Bleeding
Differential Diagnosis Algorithm ... Hemorrhage #SAH #Stroke ... #CVA #Neurology ... Differential #Diagnosis #Algorithm ... #Causes
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
b) CHF c) CVA ... ASA class If ... event, follow ACC algorithm ... Stable patients ... • <6mo since stroke
Causes of Intracerebral Hemorrhage (ICH) - Differential Diagnosis Algorithm
Hypertension:
 • Essential Hypertension (Aneurysm)
 • Drugs (Cocaine,
Differential Diagnosis Algorithm ... Hemorrhage #ICH #Stroke ... #CVA #Neurology ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Ischemic Stroke - Differential Diagnosis Algorithm
Thrombosis - Atherosclerosis, Arterial Dissection, Fibromuscular Dysplasia
 - Large
Stroke - Differential ... Diagnosis Algorithm ... #Ischemic #Stroke ... #CVA #Neurology ... Differential #Diagnosis #Algorithm
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
pulmonary embolism Pathophysiology ... specific • Chest CTA ... WHO functional class ... WHO functional class
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
/Symptoms: • Classic ... Pathophysiology: ... the OR • HD stable ... suspicion for AEF: CTA ... • CT findings