Possible Causes for mydriasis Acute Amphetamine Intoxication Physical examination revealed a significant malaise, mydriasis and peripheral coldness. [omicsonline.org] During the acute phase, diaphoresis, hypertension, tachycardia, mydriasis, agitation, and even psychosis can be present. [cancertherapyadvisor.com] The sixth patient had characteristic serial attacks of seizures, hyperthermia, tachycardia and mydriasis. [omicsonline.org] Head Trauma […] man was in a motor vehicle accident and received a head injury that resulted in intracranial bleeding at multiple sites, fractures of facial bones, and immediate traumatic mydriasis [nejm.org] Stroke The therapeutic window for intervention in acute cerebral ischemia is brief. Prehospital identification of acute stroke patients and paramedic administration of neuroprotective agents may soon become critical components of successful acute stroke treatment. This preliminary study sought to demonstrate that a new[…] [ncbi.nlm.nih.gov] Hernia Ann Thorac Surg. 2017 Dec;104(6):e451-e453. doi: 10.1016/j.athoracsur.2017.07.011. Author information 1 Department of Surgery, Isala, Zwolle, Netherlands. Electronic address: r.a.van.der.linde@isala.nl. 2 Department of Surgery, Isala, Zwolle, Netherlands. 3 Department of Cardiology, Isala, Zwolle, Netherlands. Abstract A hiatal[…] [ncbi.nlm.nih.gov] Glaucoma In older cases the pupil will dilate and this is called mydriasis. [doi.org] Angle closure, with palpable hardness of the eye, mydriasis, and anterior prominence of the lens, was described in greater detail in the 18th and 19th centuries. [ncbi.nlm.nih.gov] […] h later) Alpha- 2 -selective adrenergic agonists (topical) Apraclonidine 1 drop bid–tid Decrease aqueous production; may increase uveoscleral aqueous outflow; may cause mydriasis [merckmanuals.com] Acute Angle Closure Glaucoma Examination revealed reactive mydriasis, and upper lid retraction on the right side. [ncbi.nlm.nih.gov] The bilateral mydriasis was diagnosed as an unusual clinical presentation of simultaneous bilateral AAC glaucoma. [ncbi.nlm.nih.gov] CONCLUSION: Cocaine causes mydriasis and can induce angle closure in predisposed individuals. [ncbi.nlm.nih.gov] Primary Progressive Multiple Sclerosis We present three patients with a clinical course and cerebrospinal fluid findings consistent with a diagnosis of primary progressive multiple sclerosis (PPMS). Extensive and repeated magnetic resonance imaging (MRI) examinations showed only diffuse abnormality in brain and spinal cord, but no focal lesions. We propose[…] [ncbi.nlm.nih.gov] Epilepsy The purpose of this article is to highlight the hallmarks of epilepsy as a disease and symptom during antiquity and especially during Ancient Greece and Rome. A thorough study of texts, medical books, and reports along with a review of the available literature in PubMed was undertaken. Observations on epilepsy date[…] [ncbi.nlm.nih.gov] Hypoxia Although the terms hypoxia and hypoxemia are often used interchangeably, they are not synonymous. Hypoxemia is defined as a condition where arterial oxygen tension (Pao 2 ) is below normal (normal Pao 2 80–100mmHg). Hypoxia is defined as the failure of oxygenation at the tissue level. It is not measured directly[…] [doi.org] Alcohol Withdrawal Delirium Mydriasis. Ataxia. Altered mental status. Cardiovascular collapse. Risk factors[6] Previous history of delirium tremens. Previous history of alcohol withdrawal seizures. [patient.info] […] generalised tonic-clonic seizures Stage IV – after 48 hrs global confusional state autonomic hyperactivity tremors hallucinations seizures hyperadrenergic: diaphoresis, flushing, mydriasis [lifeinthefastlane.com] Clinical findings associated with DTs may include the following: Tachycardia Hyperthermia Hypertension Tachypnea Diaphoresis Tremor Mydriasis Altered mental status Severe [emedicine.medscape.com] Middle Ear Cholesteatoma […] case of mydriasis related to Datura inoxia. [emj.bmj.com] Mydriasis can happen for many different reasons. [healthline.com] Gardener’s mydriasis. Lancet1992;339:752. Reader AL. Mydriasis from Datura wrightii. Am J ophthalmol1977;84:263–4. Thompson HS, Newsome DA, Lowenfeld IE. [emj.bmj.com] Sudden Cardiac Death Med Leg J. 2016 Sep;84(3):142-4. doi: 10.1177/0025817216638783. Epub 2016 Mar 14. Author information 1 Department of Forensic Medicine & Toxicology, All India Institute of Medical Sciences, Jodhpur, India tanujkanchan@yahoo.co.in tanuj.kanchan@manipal.edu. 2 Department of Forensic Medicine, Kathmandu Medical College[…] [ncbi.nlm.nih.gov] Cardiac Arrest To determine the short and long term outcome of patients admitted to hospital after initially successful resuscitation from cardiac arrest out of hospital. Review of ambulance and hospital records. Follow up of mortality by "flagging" with the registrar general. Cox proportional hazards analysis of predictors of[…] [ncbi.nlm.nih.gov] Anticholinergic Toxicity Mydriasis can also occur from isolated local contact of Jimsonweed with the eye (cornpicker's pupil). [emjournal.net] 2014-04-23 19:06 Section Question Answer Hot as a hare decreased sweating hyperpyrexia Red as a beet flushing Dry as a bone decreased salivation, lacrimation Blind as a bat mydriasis [memorize.com] The patient was unconscious on admission to hospital, with mydriasis, hyperthermia, tachycardia, hypotension and respiratory failure after using cannabis all day and a portion [nvic.nl] Ventricular Fibrillation Congenital left ventricular diverticulum (CLVD) is a rare congenital anomaly and may be associated with fatal adverse events. A previously healthy 20-year-old man collapsed as a result of sudden ventricular fibrillation (VF). Despite intractable VF, he had return of spontaneous circulation with cardiopulmonary[…] [ncbi.nlm.nih.gov] Accidental Hypothermia Patients also may have mydriasis, and it should be noted that mild hypothermia usually does not depress pupillary light reflexes. Respiratory. [ahcmedia.com] Multiple Sclerosis Multiple sclerosis (MS) is an inflammatory demyelinating disease of central nervous system and it is associated with an impaired motor function status. The efficacy of rehabilitation in promoting functional recovery and increasing quality of life in MS patients has been demonstrated. A 47-year-old woman was diagnosed[…] [ncbi.nlm.nih.gov] Brain Death Brain death is the complete loss of brain function (including involuntary activity necessary to sustain life). It differs from persistent vegetative state, in which the person is alive and some autonomic functions remain. It is also distinct from an ordinary coma, whether induced medically or caused by injury and/or[…] [en.wikipedia.org] Hypovolemic Shock The authors describe a new computed tomography finding associated with significant thoracoabdominal trauma: thyroidal and perithyroidal edema and fluid without evidence for direct thyroid injury. It does not seem to be related to direct or indirect thyroid injury but is rather a secondary finding related to the[…] [ncbi.nlm.nih.gov] Spleen Disease […] case of mydriasis related to Datura inoxia. [emj.bmj.com] Mydriasis can happen for many different reasons. [healthline.com] Gardener’s mydriasis. Lancet1992;339:752. Reader AL. Mydriasis from Datura wrightii. Am J ophthalmol1977;84:263–4. Thompson HS, Newsome DA, Lowenfeld IE. [emj.bmj.com] Barbiturate Overdose Barbiturate overdose is poisoning due to excessive doses of barbiturates. Symptoms typically include difficulty thinking, poor coordination, decreased level of consciousness, and a decreased effort to breathe (respiratory depression). Complications of overdose can include noncardiogenic pulmonary edema. If death[…] [en.wikipedia.org] Multisystemic Smooth Muscle Dysfunction Syndrome Important additional clinical features were extremely wide pupils not reacting to light admission (mydriasis), microcephaly and feeding difficulties with pathologic signs [thieme-connect.com] Congenital mydriasis is an extremely rare pupil anomaly and is the feature for the early diagnosis of this new syndrome. [ncbi.nlm.nih.gov] Initially described as a case report in 1999, it was characterized in 2010 as a syndrome of congenital mydriasis, patent ductus arteriosus, and aneurysmal arterial disease—in [en.wikipedia.org] Pseudoexfoliation Syndrome METHODS: All 674 cataract patients had a comprehensive eye examination, including slitlamp biomicroscopy before and after mydriasis, IOP measurement, and fundus examination [ncbi.nlm.nih.gov] Pupillary diameter after pharmacologic mydriasis was 21% smaller in the PEX group than controls. [ncbi.nlm.nih.gov] asymmetric pupil sizes Melanin dispersion Poor mydriasis Iris rigidity Capillary hemorrhage Blood-aqueous barrier defects, pseudouveitis Anterior chamber hypoxia Posterior [optometricmanagement.com] Insulinoma BACKGROUND & OBJECTIVES: Since our previous study in 2006, several new modalities for localization of cause of endogenous hyperinsulinemic hypoglycaemia such as multiphasic computed tomography (CT), multiphasic magnetic resonance imaging (MRI), endoscopic ultrasound (EUS), intraoperative ultrasound, and[…] [ncbi.nlm.nih.gov] Anisocoria A unilaterally fixed mydriasis, also known as a 'blown pupil,' is considered an ominous sign concerning for intracranial pathology. [ncbi.nlm.nih.gov] His visual acuity was normal and examination revealed a painless left mydriasis. [ncbi.nlm.nih.gov] We present a series of 3 craniofacial patients in which ipsilateral mydriasis occurred and spontaneously resolved after removal of the scopolamine patch. [ncbi.nlm.nih.gov] Organophosphate Poisoning Tachycardia and mydriasis must not be used to limit or to stop subsequent doses of atropine. [openanesthesia.org] Miosis is replaced by mydriasis. [derangedphysiology.com] Second, excessive ACh at nicotinic acetylcholine receptors in preganglionic sympathetic synapses and at motor end plates may cause mydriasis, tachycardia, weakness, hypertension [emedicine.com] Botulism Over the next days she became increasingly weak, developed bilateral ptosis, the muscle stretch reflexes were lost, and mydriasis with slow pupillary responses was noted. [ncbi.nlm.nih.gov] Fixed dilated pupils (Mydriasis) Over excitation of radial fibers of the iris which increases the pupillary aperture is referred to as a mydriasis or blown pupil. [medicaljoyworks.com] An 11-year-old boy presented with bilateral ptosis and mydriasis, dry mouth, difficulty in swallowing, dysphonia, urine retention and constipation. [ncbi.nlm.nih.gov] Plant Poisoning Clinical symptoms are those seen in atropine poisoning, particularly mydriasis and hallucinations. [ncbi.nlm.nih.gov] Poison hemlock has nicotinic effects, beginning with dry mouth and progressing to tachycardia, tremors, diaphoresis, mydriasis, seizures, and muscle paresis. [merckmanuals.com] Clinical features: tachycardia, dry flushed skin, dry mucous membranes, mydriasis, blurred vision, hyperpyrexia, urinary retention, confusion, disorientation, loss of short [slideshare.net] Oculomotor Nerve Paralysis The affected individual will also have a ptosis, or drooping of the eyelid, and mydriasis (pupil dilation). [en.wikipedia.org] […] palpebrae superioris Downward and lateral rotation of eye- due to paralysis of all extra ocular muscle except lateral rectus and superior oblique muscle Dilatation of pupil (Mydriasis [physiologyexam.com] To the Editor: Baker and Cannon (Nov. 3 issue) 1 describe a patient with left-sided ptosis and mydriasis after cranial trauma. [nejm.org] Fugu Poisoning On April 29, 1996, three cases of tetrodotoxin poisoning occurred among chefs in California who shared contaminated fugu (puffer fish) brought from Japan by a co-worker as a prepackaged, ready-to-eat product. The quantity eaten by each person was minimal, ranging from approximately 1/4 to 1 1/2 oz. Onset of[…] [ncbi.nlm.nih.gov]
