70 results
Bilateral Patellar Clonus on Physical Exam
 
Clonus Associated w/Tropical Spastic Paraparesis. 

#Knee #Patellar #Clonus #PhysicalExam #Clinical
Clinical #Video #Neurology ... #NEJM #reflex
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
Orbicularis Reflex ... time, and can cause ... delusions and, in some cases ... the orbicular reflex ... clinical #video #neurology
Inverted Triceps Reflex 
Triceps reflex testing elicited flexion rather than extension of the forearm. C7 lesion
Inverted Triceps Reflex ... Triceps reflex ... lesion was found on MRI ... - Neurology ... #neurology #clinical
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Deep coma (any cause ... Hyperreflexia #Testing #Causes ... diagnosis #table #neurology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer ... to Nephrology if ... cause not identified
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... bulbocavernosus reflex ... wink test - reflex ... differential #diagnosis #causes ... #neurology
Vagus Nerve Schwannoma eliciting paroxysmal cough when palpated

The cough reflex is caused by stimulation of vagal
palpated The cough reflex ... is caused by stimulation ... clinical #video #neurology ... #reflex
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... the patient to relax ... Hoffmanns #Sign #Reflex ... clinical #video #neurology
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
SVR • Risk of reflex ... • Higher doses cause ... mild alpha (5-10 mcg ... CO • a (>10 mcg ... cAMP/cGMP • Causes