6810 results
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
innervation to pupil constrictor ... Nerve #Cranial #neurology ... #diagnosis
Grading of Muscle Strength (1-5):

5 - The muscle can move the joint it crosses through a
1 - Muscle contraction ... 0 - No muscle contraction ... Strength #Grades #Diagnosis ... #Neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
occurs instead of contraction ... very sensitive diagnostic ... Pupillary #Defect #Neurology
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
sensation of throat constriction ... abdominal cramps Neurologic ... cessation of play #Diagnosis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
diminished muscle contraction ... myasthenia Diagnosis ... Myasthenia #Gravis #diagnosis ... #management #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... test - reflex contraction ... #differential #diagnosis ... #causes #neurology
Pathophysiology Of Constriction
Exaggerated Ventricular Interdependence:
 • Limited Cardiac Filling due to Fixed Volume → Septum Shifts
Pathophysiology Of Constriction ... expiration ↓ • Constriction ... - With constriction ... capillaries but constriction ... #constrictive #
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
- Differential Diagnosis ... opthalmoplegia, Constriction ... Postganglionic - Constriction ... Junction - No constriction ... #Differential #Diagnosis
Landolfi’s Sign on Physical Exam

A 73-year-old man presented with shortness of breath. On ocular exam, pupil
pupil dilation and constriction ... refers to systolic contraction
Restrictive Cardiomyopathy vs Constrictive Pericarditis
 - Mitral inflow
 - Tricuspid inflow
 - Hepatic vein flow
 -
Cardiomyopathy vs Constrictive ... Cardiomyopathy #Constrictive ... comparison #cardiology #diagnosis