42 results
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... #bradycardia #Causes ... infectiousdiseases #table
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
for a PERIPHERAL cause ... Nystagmus #HINTS #PhysicalExam ... Clinical #Video #Negative
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... of AVS and negative ... with a central cause ... #Diagnosis #PhysicalExam
Normal (Negative) Babinski / Plantar Reflex

The plantar reflex is a reflex elicited when the sole of
Normal (Negative ... plantar reflex causes ... Reflex #Plantar #Negative ... #Video #Signs #PhysicalExam
Asterixis is a type of negative myoclonus characterized by irregular lapses of posture of various body
Asterixis is a type of negative ... characterized by irregular lapses ... hyperammonemia #PhysicalExam
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
set of symptoms) caused ... methylphenidate (Ritalin) - Sedative-Hypnotic ... Toxidromes #Comparison #Table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Testing Common causes ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... Screening #Workup #table
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
Point-of-care Ultrasound ... cellulitis in cases ... POCUS has a negative
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
serology: Serial negative ... Frequent false-negative ... cultures/serology: + (Negative ... in up to 30% of cases ... Marantic #diagnosis #table
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Relative Afferent ... Gunn's pupils or relative ... regarding the cause ... semiologianeurologica #RAPD #Relative ... Pupils #MacrusGunn #PhysicalExam