150 results
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... the cell - Time Course ... cytokines - Time Course ... types #allergy #table
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
conditions all of which cause ... different types/causes ... RenalTubularAcidosis #Features #Table
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo Time course ... distinguishing between causes ... lasting minutes to hours ... diagnosis #comparison #table
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Headache Differential - Primary vs Secondary
A vast number of diseases can cause a headache. We divide
of diseases can cause ... headaches are caused ... Primary #Secondary #Table
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... whether AF is cause ... Tx: Underlying cause ... Differential #Diagnosis #Table ... Narrow #Irregular #causes
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... Hyperreflexia #Testing #Causes ... differential #diagnosis #table
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Tunnel Syndrome - Causes ... Dislocation - May cause ... sensory #motor #arm #physicalexam
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... Chalazion #Comparison #Table
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
for a CENTRAL cause ... Nystagmus #HINTS #PhysicalExam