Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/MED/9780190889227.003.0020
P. Novak
{"title":"Case 15: Postural Tachycardia Syndrome with Hyperventilation and Presyncope","authors":"P. Novak","doi":"10.1093/MED/9780190889227.003.0020","DOIUrl":"https://doi.org/10.1093/MED/9780190889227.003.0020","url":null,"abstract":"Postural tachycardia syndrome (POTS) without evidence of autoimmunity or neuropathy has a good prognosis. Early blood pressure decline at the beginning of tilt may provide early warning of impending syncope or other abnormalities during the tilt. Hypocapnic hyperventilation is a common occurrence in POTS.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122145371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/MED/9780190889227.003.0095
P. Novak
{"title":"Case 90: Repetitive Dizziness","authors":"P. Novak","doi":"10.1093/MED/9780190889227.003.0095","DOIUrl":"https://doi.org/10.1093/MED/9780190889227.003.0095","url":null,"abstract":"Autonomic testing may reveal repetitive dizziness which can be related to cerebral blood flow fluctuations and likely represents episodic cerebral hypoperfusion.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131498933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/med/9780190889227.003.0055
P. Novak
{"title":"Case 50: Small Fiber Neuropathy and Severe Autonomic Failure in Diabetes","authors":"P. Novak","doi":"10.1093/med/9780190889227.003.0055","DOIUrl":"https://doi.org/10.1093/med/9780190889227.003.0055","url":null,"abstract":"This is an example of a typical autonomic failure associated with diabetes mellitus. Autonomic testing showed generalized autonomic failure with orthostatic hypotension and severe small fiber neuropathy affecting both sensory and autonomic fibers.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131501370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/MED/9780190889227.003.0037
P. Novak
{"title":"Case 32: Small Fiber Neuropathy, Orthostatic Hypertension, and Hypocapnic Cerebral Hypoperfusion","authors":"P. Novak","doi":"10.1093/MED/9780190889227.003.0037","DOIUrl":"https://doi.org/10.1093/MED/9780190889227.003.0037","url":null,"abstract":"In this patient, testing showed several findings including small fiber neuropathy, orthostatic hypertension, and hypocapnic cerebral hypoperfusion. Elevated orthostatic blood pressure is commonly seen in painful neuropathies.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128262234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/med/9780190889227.003.0092
P. Novak
{"title":"Case 87: Intermittent Supine Hypotension","authors":"P. Novak","doi":"10.1093/med/9780190889227.003.0092","DOIUrl":"https://doi.org/10.1093/med/9780190889227.003.0092","url":null,"abstract":"Autonomic testing may reveal an intermittent decline in blood pressure and cerebral blood flow associated with dizziness even in the supine position. Paroxysmal dysautonomia can be associated with blood pressure and cerebral blood flow instability.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114525857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/med/9780190889227.003.0063
P. Novak
{"title":"Case 58: Small Fiber Neuropathy and Orthostatic Cerebral Hypoperfusion Syndrome with Positive Autoantibodies to N-type Calcium Channel","authors":"P. Novak","doi":"10.1093/med/9780190889227.003.0063","DOIUrl":"https://doi.org/10.1093/med/9780190889227.003.0063","url":null,"abstract":"Small fiber neuropathy, mixed, length-dependent, is associated with antibodies against the N-type calcium channel. Tilt showed hypocapnic cerebral hypoperfusion.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"449 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116072846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/med/9780190889227.003.0069
P. Novak
{"title":"Case 64: Ehlers-Danlos Syndrome and Small Fiber Neuropathy","authors":"P. Novak","doi":"10.1093/med/9780190889227.003.0069","DOIUrl":"https://doi.org/10.1093/med/9780190889227.003.0069","url":null,"abstract":"Ehlers-Danlos syndrome (EDS) is a heterogeneous group of inherited connective tissue disorders characterized by joint hypermobility, skin hyperextensibility, and tissue fragility. This patient had severe small fiber neuropathy, likely contributing to her pain complaints. Tilt test was negative, except for anxiety symptoms. There was no evidence of autonomic failure.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123783112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/MED/9780190889227.003.0096
P. Novak
{"title":"Case 91: Primary Cerebral Autoregulatory Failure","authors":"P. Novak","doi":"10.1093/MED/9780190889227.003.0096","DOIUrl":"https://doi.org/10.1093/MED/9780190889227.003.0096","url":null,"abstract":"Recurrent hypertensive crisis, dizziness, and headaches may be associated with cerebral autoregulatory failure, which can be detected by a transcranial Doppler.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122244184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Autonomic TestingPub Date : 2019-03-01DOI: 10.1093/med/9780190889227.003.0089
P. Novak
{"title":"Case 84: Intermittent Confusion","authors":"P. Novak","doi":"10.1093/med/9780190889227.003.0089","DOIUrl":"https://doi.org/10.1093/med/9780190889227.003.0089","url":null,"abstract":"Short episodes confusion, dizziness, and shortness of breath can be associated with intermittent declines in cerebral blood flow velocity (CBFv). CBFv decline without orthostatic hypotension or decline in end tidal CO2 can be seen in orthostatic cerebral hypoperfusion syndrome (OCHOS) associate with abnormal cerebral vasoconstriction due to cerebral autoregulatory failure.","PeriodicalId":358532,"journal":{"name":"Autonomic Testing","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127543529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}