12 results
Causes of Stroke - Ischemic, Hemorrhagic, Subarachnoid - Differential Diagnosis Algorithm
 • Ischemic
 • Intracerebral Hemorrhage
Causes of Stroke ... - Ischemic, Hemorrhagic ... Intracerebral Hemorrhage ... • Subarachnoid Hemorrhage ... #Stroke #CVA
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
up an ischemic CVA ... NCCT) head (r/o hemorrhage ... sn/sp) or • CTA ... Ruled out other causes ... #stroke #workup
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
, Vitreal Hemorrhage ... , TIA, Stroke/lnfarct ... Bilateral, Painless: Stroke ... Differential #Diagnosis #causes ... #ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
MDMA (Ecstacy), TCA ... Nicotine, Heat Stroke ... Neuro: Pontine hemorrhage ... , Pontine CVA, Syphilis ... differential #diagnosis #ophthalmology
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Subconjunctival hemorrhage ... Eric Strong @DrEricStrong ... - Strong Medicine ... Diagnosis #table #causes ... #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
dissociation) • Pharmacologic ... • Tumor • Hemorrhage ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
detachment or hemorrhage ... Vision Loss: • Stroke ... differential #diagnosis #causes ... #ophthalmology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
1C: Strong Blockade ... receptors, and Ca ... MOA: Block slow Ca ... channels to prevent Ca ... Vaughan #Williams #Pharmacology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Classification: CLASS ... duration - CLASS ... 1C: Strong Blockade ... Antiarrhythmics #Pharmacology
Causes of Subarachnoid Hemorrhage - Differential Diagnosis Algorithm
Vessel Disease
 • Aneurysm
 • Vascular Malformation
Other
 • Bleeding
Causes of Subarachnoid ... Hemorrhage - Differential ... #Subarachnoid #Hemorrhage ... #SAH #Stroke #CVA ... Diagnosis #Algorithm #Causes