NOVEL - Daniel Gold Collection
 
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TitleDescriptionSubject
1 Assessing for Hyperventilation-induced Nystagmus𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: Hyperventilation induced nystagmus is tested by asking the patient to take quick deep breaths (~1/s) for 40-60 seconds. This decreases ICP and increases CSF pH. This can be helpful in diagnosing irritative conditions of ...Hyperventilation
2 Hyperventilation-Induced Downbeat Nystagmus in a Cerebellar Disorder𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 45-year-old woman with a chronic progressive cerebellopathy of unclear etiology (worsening over at least 10 years) characterized by gait and limb ataxia, gaze-evoked nystagmus, saccadic pursuit and vestibulo-ocu...Hyperventilation; Jerk Nystagmus; Downbeat Nystagmus; Downbeat Nystagmus; Cerebellar Pathology
3 Upbeat and Downbeat Nystagmus Due to Anti-VGCC AntibodiesSeen here are two patients who presented with imbalance and vertical oscillopsia, the first with upbeat nystagmus, and the second with downbeat nystagmus. Both patients were found to have voltage-gated calcium channel antibodies in serum without evidence of systemic malignancy. The UBN patient had m...Jerk Nystagmus; Upbeat Nystagmus; Gaze Evoked Nystagmus; Downbeat Nystagmus
4 Vibration and Hyperventilation-induced Nystagmus from Vestibular Schwannoma𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 50-yo-woman with imbalance, and with fixation removed on her examination (with Frenzel goggles), there was no spontaneous nystagmus. Using a handheld vibrator to vibrate the mastoids and vertex, there was a righ...Jerk Nystagmus; Vestibular Nystagmus; Hyperventilation
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