44 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... change • Neurologic ... BPPV • Short-lived ... positional episodes caused
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
for a CENTRAL cause ... Nystagmus #HINTS #PhysicalExam ... Clinical #Video #Positive ... #Neurology #Central
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Causes of Gallbladder Wall Thickening - Differential Diagnosis
 • Physiologic: Contracted gall bladder in a non-fasting
Causes of Gallbladder ... heart failure, Liver ... Diagnosis #radiology #POCUS ... #ultrasound
Asterixis on Physical Exam

Asterixis, aka liver flap, indicates at least Grade 2 hepatic encephalopathy in a
Asterixis, aka liver ... from the extended position ... drkeithsiau #Asterixis #PhysicalExam ... cirrhosis #flap #neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
syphilis) Meaning: Positive ... Observe when patient closes ... open and closed Positive ... Rombergs #Test #neurology ... proprioception #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... "waiter's tip" position ... Dislocation - May cause ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Pneumoperitoneum from perforated duodenal ulcer on RUQ POCUS

Male with severe RUQ abdominal pain. Answer in thread.
duodenal ulcer on RUQ POCUS ... anterior to the liver ... as shown in the case ... duodenal #ulcer #RUQ #POCUS ... #clinical #ultrasound
Portal venous gas on hepatic ultrasound: A concerning finding in the critically ill patient that should
gas on hepatic ultrasound ... variety of other causes ... portal #venousgas #ultrasound ... #hepatology #liver ... #pocus #clinical
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... #Sign #Reflex #Positive ... clinical #video #neurology ... #PhysicalExam