21 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis ... , Symptoms and Testing ... eye movements #Diagnosis ... LikelihoodRatios #PhysicalExam ... #Testing
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... in patient with normal ... test characteristics ... #Stroke #physicalexam ... #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... result is positive (abnormal ... a stand-alone test ... #Diagnosis #PhysicalExam ... #HeadImpulse #Testing
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
In-office testing ... and the ice pack test ... include a Tensilon test ... #PhysicalExam # ... clinical #video #ophthalmology
Conductive vs Sensorineural Hearing Loss on Physical Exam
Weber Test:
 • Normal: Sound is equal bilaterally
 •
Physical Exam Weber Test ... good ear Rinne Test ... #HearingLoss #PhysicalExam ... #diagnosis #Weber ... #Rinne #Testing
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
presence of metabolic syndrome ... sought to support a diagnosis ... Areas of diagnostic ... decision for repeat testing ... #Differential #Diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... three clinical diagnoses ... Myasthenia gravis ... effect of some abnormal ... #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... Ill Palsy - abnormal ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... DIC, HELLP - Grafts ... Drug-associated, PCH, Evans Syndrome ... Laboratory Tests ... Blood Smear ↑ abnormal
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ... Differential diagnosis ...  Myasthenia gravis ...  West Nile virus ... Pain, weakness, abnormal