26 results
Pathophysiology of Diabetic Ketoacidosis (DKA) and Hyperglycemic Hyperosmolar Syndrome (HHS)
Absolute Insulin deficit:
 - Type I DM:
Pathophysiology ... pts under large stresses ... to insulin TX, stresses ... #dka #hhs #pathophysiology ... #comparison #endocrinology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... Hallpike test: Positive ... consistent with BPPV ... Labyrinthitis #diagnosis #neurology ... #comparison
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
labyrinthitis • Head Position ... nose) • Head Position ... worsen with head position ... signs #symptoms #comparison ... #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... change • Neurologic ... auditory findings BPPV ... Positive Hallpike ... differential #diagnosis #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Vertigo #diagnosis #neurology ... #bppv #comparison
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... SaltWasting #SIADH #Pathophysiology ... #diagnosis #nephrology ... #hyponatremia #comparison
Epley Maneuver for Treatment of BPPV
1) The patient begins in an upright sitting posture, and the
for Treatment of BPPV ... into a supine position ... remains in this position ... Epley #Maneuver #BPPV ... positional #vertigo #neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... patient in this position ... to the upright position ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
back to anatomic position ... #Paraphimosis #Comparison ... #Diagnosis #Urology
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
patient to a supine position ... The test is positive ... HaIlpike #Maneuver #neurology ... #vertigo #bppv