22 results
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Relative Afferent ... very sensitive diagnostic ... regarding the cause ... #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow pupillary ... females Differential Diagnosis ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary ... - Differential Diagnosis ... Algorithm Relative ... #Algorithm #Causes ... #Ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
bilateral - Abscent pupillary ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Relative Afferent Pupillary Defect (RAPD) on Ocular Examination

Dr. Sebastian Vega @oftalmopo

#RAPD #Relative #Afferent #Pupillary #Defect #Ocular
Pupillary Defect ... #Afferent #Pupillary ... Defect #Ocular #PhysicalExam ... clinical #video #ophthalmology ... #neurology
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
afferent pupillary ... afferent pupillary ... pupillary defect ... #Diagnosis #PhysicalExam ... #Ophthalmology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... of AVS and negative ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... with previously stable ... patients with a negative ... Neurologic disorders
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
dysmorphic RBC, RBC casts ... along glomerular capillary ... deposits on EM, negative ... Glomerulonephritis #MPGN #nephrology ... #diagnosis #renal
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... : Serial negative ... : + (Negative blood ... in up to 30% of cases ... #table