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79 Possible Causes for Episodic Sudden Headache

  • MELAS Syndrome

    The most frequent symptom is episodic sudden headaches with vomiting and convulsions. Myopathy is associated with lactic acidosis in blood and cerebrospinal fluid.[] The onset of symptoms is usually in the first two decades of life, most commonly consisting of headaches of sudden onset accompanied by vomiting and seizures.[] Older individuals often present with sudden, severe headaches accompanied by vomiting and seizures. These may resemble migraines.[]

  • Thrombosis

    CASE DESCRIPTION: Our patient presented almost 1 month after an episode of sudden-onset severe holocranial headache associated with vomiting that had resolved completely within[]

  • Infectious Mononucleosis

    One day later, a sudden deterioration with fever up to 40 C, strong tension headache, dizziness, nausea and a single vomiting episode occurred.[]

  • Stroke

    […] particularly in one eye Loss of speech , or trouble talking or understanding speech Sudden severe headache with no apparent cause Sudden episodes of difficulty walking or[] . * Sudden confusion, difficulty speaking or understanding. * Sudden and severe headache, without a known cause. * Sudden dizziness, loss of steadiness or coordination. *[] CALL 9-1-1 IF YOU SUSPECT THESE SIGNS OF A STROKE: Sudden weakness or numbness of the face, arm, or leg, usually on one side of the body Sudden dimness or loss of vision,[]

  • Syncope

    (“trauma above the clavicle”) if suspected TIA or stroke if neurological deficit or ongoing altered conscious state / confusion if Age 65 if sudden onset headache if patients[] […] short QT, Brugada, RV infarction, ARVD, DCM, WPW, Hypertrophy (HCM or LVH due to AS) CT brain: if suspected first seizure if secondary trauma sustained during the syncopal episode[]

  • Dehydration

    […] similar to what is experienced as a hangover, a sudden episode of visual snow, decreased blood pressure ( hypotension ), and dizziness or fainting when standing up due to[] […] nutrition and hydration Other causes of obligate water loss Severe hyperglycemia, especially in Diabetes mellitus Glycosuria Symptoms and prognosis Symptoms may include headaches[]

  • Acute Cholecystitis

    A 50-year-old male visited Fujieda General Municipal Hospital with an episode of sudden headache.[]

  • Cough Headache

    Diagnostic criteria: At least two headache episodes fulfilling criteria B-D Brought on by and occurring only in association with coughing, straining and/or other Valsalva[] International Headache Society Diagnostic Criteria for Primary Cough Headache (A) At least 2 headache episodes fulfilling criteria B-D (B) Brought on by and occurring only[] […] manœuvre 1 Sudden onset 2 Lasting between 1 second and 2 hours 2 Not better accounted for by another ICHD-3 diagnosis 3 .[]

  • Chronic Daily Headaches

    CASE HISTORIES Case 1 A woman of 59 with a 21-year history of type 2 diabetes mellitus reported severe left-sided headache of sudden onset.[] She had already experienced a remarkable series of neuropathic episodes—right 4th nerve palsy (age 54); right 3rd nerve palsy with pupillary sparing (57); left 7th nerve palsy[]

  • Reversible Cerebral Vasoconstriction Syndrome

    We report a 52 year old woman presented severe sudden onset occipital headache episodes.[] Case Presentation A 52 year old woman was admitted to our Emergency Department because of severe sudden onset occipital headache episodes associated to asthenia in the last[]

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