95 results
Causes of Stroke - Ischemic, Hemorrhagic, Subarachnoid - Differential Diagnosis Algorithm
 • Ischemic
 • Intracerebral Hemorrhage
Causes of Stroke ... Differential Diagnosis Algorithm ... Hemorrhage #Stroke ... #CVA #Neurology ... #Causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... duration: - CLASS ... 1C: Strong Blockade ... Classification #Classes ... #pathophysiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Widens QRS complex Class ... prolongs PR interval Class ... Prolongs QT interval Class ... Classification #Classes
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
up an ischemic CVA ... sn/sp) or • CTA ... Evaluate underlying cause ... Ruled out other causes ... #stroke #workup
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... 1C: Strong Blockade ... Classification #Classes ... #pathophysiology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Differential Diagnosis Algorithm ... Most commonly stroke ... Differential #Diagnosis #Algorithm ... #Causes #neurology
ACA infarcts are rare because of the collateral circulation provided by the anterior communicating artery. ACA infarct
cerebral artery strokes ... These are uncommon causes ... cases in series ... anteriorcerebralartery #cva ... #stroke #huebner
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Shock #Shock #Pathophysiology ... differential #diagnosis #algorithm ... #causes
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
Ground Glass Opacities ... on Lung CT - Pathophysiology ... Ground glass opacity ... often, GGO is caused ... pulmonary #ChestCT #Pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology