35 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
• Syphilis (light-near ... (e.g Opioids, Alcohol ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Neuro-OphthaImoIogy ... Infection • MS ... Nucleus Lesion (Right ... Diagnosis #Anatomy #Causes ... #Ophthalmology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... Cheat Sheet 1) Rate ... in leads V1-3 (Right ... III, aVF) • Right ... proportional to heart rate
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
- Right Bundle Branch ... with QRS ≥120 ms ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
fractures in elderly Causes ... to the femur ( e.g ... Femur #Fractures #msk ... #differential #causes ... #pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... degrees • Chills, night ... CXR upright or lat ... • Vasculitis (e.g
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Receptor, Heart Rate ... Resistance, Main Uses ... 0.375-0.75 mcg/kg ... high 10-20 mcg/kg ... Properties #Table #Pharmacology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
the pupillary light ... Optic nerve* (main cause ... neuritis due to MS ... Later (1959), Levitan ... with the swinging light
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Anisocoria equal in light ... pilocarpine • Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... resulting in a diffuse light ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology