29 results
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 ... #Defect #RAPD #neurology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late ... Phaeochromocytoma Neurologic ... #Differential #Causes ... Diagnosis #Management #Workup
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
0 to decrease rate ... node activity (rate ... Vaughan #Williams #Pharmacology ... Classification #Classes ... #pathophysiology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Shift Work) Sleep ... Disorders • Neurologic ... Parkinson's, MS) ... Diagnosis #Algorithm #Causes
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
AKI) What to ask ... microscopy/UOP/weights ... rhabdo/TLS) Causes ... AcuteKidneyInjury #AKI #Nephrology ... Diagnosis #Algorithm #Causes
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Infection • MS ... quadrantanopia) - Right ... Nucleus Lesion (Right ... NeuroOphthaImoIogy #Neurology ... Diagnosis #Anatomy #Causes
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... Pump - Digoxin works ... intracellular calcium causes ... Decreased heart rate
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... 0 to decrease rate ... Antiarrhythmics #Pharmacology ... Classification #Classes ... #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 ... #differential #causes
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Uncommon Causes ... crackles in the right ... of other common causes ... decreased respiratory rate ... pulmonary #edema #causes