77 results
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
re-vascularize the ischemic ... ischemia -> Venous ... ischemia causes ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... potassium excretion ... Drugs Increased potassium ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... degeneration - Retina ... Vein Occlusion, Ischemic ... #Differential #Diagnosis ... #causes #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... edema caused by ischemia ... axons death due to ischemia ... pathophysiology #ophthalmology ... #diagnosis #signs
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
- Myocardial ischemia ... 3.5 - Severe renal ... monitoring depend on renal ... monitoring depend on renal ... #Hypokalemia #Management
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... Fluids Shift potassium ... (if preserved renal ... #Hyperkalemia #management ... #potassium #nephrology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Optic Neuritis • Ischemic ... Nerve Tumor • Retinal ... #Differential #Diagnosis ... Algorithm #Causes #Ophthalmology
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... vision • Pale retina ... spot on fovea Management ... • Immediate ophthalmology ... Occlusion #CRAO #Diagnosis
ACEI Antihypertensive Dose Comparison. Consider divided (BID) regimen for better pre-dose (trough) BP control for the
Monitor BP, potassium ... , and renal function ... Dosing #Conversion #Pharmacology ... #Hypertension #Management
Central Retinal Artery Occlusion (CRAO) vs Central Retinal Vein Occlusion (CRVO) - A Comparison Table

Clinical Features,
Central Retinal ... CRAO) vs Central Retinal ... Features, Etiology, Diagnosis ... #CRAO #CRVO #Ophthalmology ... #Diagnosis #Management