223 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... angioedema Other symptoms ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Insufficiency Addison's Disease ... Lymphoma Metastatic Disease ... Serum DHEAS Diagnosis ... clue • Blood tests ... endocrinology #diagnosis
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Gravis Signs, Symptoms ... Rest Test - Anticholinesterase ... Test - Quiver ... eye movements #Diagnosis ... LikelihoodRatios #PhysicalExam
Spurling's Test for Cervical Nerve Root Compression

With the neck in slight extension, ipsilateral flexion and rotation,
Spurling's Test ... The test is positive ... reproduction of symptoms ... clinical #video #physicalexam ... #msk #orthopedics
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... No auditory symptoms ... Méniére's disease ... Long symptom-free
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... PT, aPTT(liver disease ... K), H. pylori test ... (GI symptoms/endemic ... thyroid function test
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... arm, empty can test ... Cuff #Syndrome #orthopedics ... #diagnosis #sports
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... = Peripheral Cause ... patient with vertigo symptoms ... for a PERIPHERAL cause ... #HINTS #PhysicalExam
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... patient with vertigo symptoms ... for a CENTRAL cause ... Vertical #Skew #Test ... #HINTS #PhysicalExam
HINTS Exam - Normal Test of Skew (Normal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Normal Test ... patient with vertigo symptoms ... for a PERIPHERAL cause ... Vertical #Skew #Test ... #HINTS #PhysicalExam