46 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... within one hour or longer ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology #comparison
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
like following a finger ... ) • Test of Skew ... Peripheral #Vertigo #diagnosis ... #neurology #bppv ... #comparison #table
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... - Differential Diagnosis ... Hirschsprung's Disease ... Guillain-Barré Syndrome ... #Peds #Pediatrics
Multi-System Inflammatory Syndrome in Children (MIS-C) vs. Kawasaki Disease
CDC Case Definition for MIS-C;
 • < 21
Multi-System Inflammatory Syndrome ... Kawasaki Disease ... CDC Case Definition ... MISC #Kawasaki #Comparison ... #diagnosis #peds
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
treat underlying cause ... cirrhosis, nephrotic syndrome ... Pulmonary Diseases ... , CNS Disease, Meds ... #nephrology #sodium
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease ... Shellfish poisoning, Meds ... #differential #diagnosis ... #neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
Observe when patient closes ... • Cerebellar disease ... Unilateral vestibular disease ... #neurology #diagnosis ... proprioception #physicalexam
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Borrelia (Lyme Disease ... encephalitis, West ... myasthenia, Miller-Fisher ... #Differential #Diagnosis ... #Causes #Neurology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... tubular necrosis (causes ... : sepsis, meds, ... Classification #diagnosis ... #nephrology