Risus Sardonicus: Causes & Reasons

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Possible Causes for Risus Sardonicus

Strychnine Poisoning

sardonicus - spasm of the facial muscles. [symptoma.com]

Classic signs include opisthotonus, facial trismus, and risus sardonicus. [umem.org]

Sardonicus: Evil fixed grin Dilated pupils Hyperreflexia Mind and consciousness are maintained Death results due to asphyxia or exhaustion Treatment: Based on two principles [medpreponline.com]

Tetanus

A delayed diagnosis of cephalic tetanus was reached only when he was extubated and trismus and risus sardonicus were identified in addition to facial nerve palsy. [ncbi.nlm.nih.gov]

Four days after injury, he presented with muscle rigidity of his posterior neck, excessive diaphoresis, and risus sardonicus and was subsequently diagnosed with tetanus. [ncbi.nlm.nih.gov]

At 73 days of age (on 29th day of hospitalization), a clinical diagnosis of tetanus was made based on the presence of risus sardonicus, trismus, and generalized hypertonicity [ncbi.nlm.nih.gov]

Cataplexy

Abstract For over 40 years, a 55-year-old woman had suffered from cataplexy, which had been mistakenly identified as hysteria. Sleepiness, hypnagogic hallucinations and sleep-onset paralysis were not present. This is the longest duration of isolated cataplexy reported so far. [ncbi.nlm.nih.gov]

Hemifacial Spasm

Hemifacial spasm (HFS) is a rare neuromuscular disease characterized by irregular, involuntary muscle contractions (spasms) on one side (hemi-) of the face (-facial).[1] The facial muscles are controlled by the facial nerve (seventh cranial nerve), which originates at the brainstem and exits the skull below the ear[…] [en.wikipedia.org]

Gelsemium Sempervirens Poisoning

Long out of print, this is a landmark study on narcotic and psychedelic substances by a world-renowned pharmacologist and toxicologist • The first book to bring non-judgmental scientific insights to the use of drugs around the world • Provides detailed information on all major drugs of the time, including opium,[…] [books.google.com]

Malingering

Fabrications of lethal dysrhythmias are an extremely rare manifestation of malingering, with only one case described more than two decades ago. Recognition of this clinical entity is important because the diagnosis may be difficult to make, therapeutic implications for the patient are significant, and financial[…] [ncbi.nlm.nih.gov]

Drug-Induced Dystonia

Macroglossia The tongue does not swell, but it protrudes and feels swollen Buccolingual crisis May be accompanied by trismus, risus sardonicus, dysarthria and grimacing Laryngospasm [nps.org.au]

Macroglossia Tongue does not swell, but protrudes and feels swollen Buccolingual crisis May be accompanied by trismus, risus sardonicus (spasm of facial muscles causing grinning [bpac.org.nz]

(ii) Buccolingual crisis Features of buccolingual crisis may include: Trismus (an inability to open the mouth normally) Risus sardonicus a highly-characteristic, abnormal [rcemlearning.co.uk]

Rodenticide Poisoning

Consider strychnine toxicity if an individual presents with a generalized seizure-like appearance but without loss of consciousness or extensor posturing with risus sardonicus [emedicine.medscape.com]

Tetanus Neonatorum

sardonicus, a sarcastic grin due to facial muscles locking ~ death from respiratory distress: aspiration of regurgitated stomach contents into the lung; this is the most [quizlet.com]

[…] sardonicuscalled risus sardonicus 17. [slideshare.net]

[…] and sound, headache; treatment should be given during this stage; vaccine is important 2. invasion: ~ lockjaw; ~ opisthotonos due to spastic paralysis, bowing of back; ~ risus [quizlet.com]

Hydrogen Sulfide Poisoning

Tetanus-like signs, including trismus (lockjaw), risus sardonicus (grimacing), and opisthotonus (neck arching), may occur. [msdmanuals.com]

Oenanthe

sardonicus). [ncbi.nlm.nih.gov]

The name Oenanthe signifies “wine flower”, because the plant produces a state of stupefaction similar to drunkenness. (1, 2) This, as well as locked jaws ( risus sardonicus [doi.org]

Risus sardonicus. Lips blue. Bloody froth issuing from mouth and nostrils. Trismus, jaws rigidly closed. Rose-colored spots on face. Mouth. Convulsive movement of teeth. [homeopathycenter.org]

Clostridium Tetani

Muscles of the Face: Resulting in the characteristic sneer termed "Risus Sardonicus" Muscles of Swallowing: Resulting in dysphagia Muscles of Breathing: Can compromise capacity [pathwaymedicine.org]

Specific symptoms can include risus sardonicus (a rigid smile), trismus (lock-jaw), and opisthotonus (rigid, arched back). [study.com]

Neuromuscular Junction Disorder

  Early manifestations of generalized tetanus are rigidity of the masseter muscles (lockjaw) and facial muscles, with straightening of the upper lip or risus sardonicus [slideshare.net]

Non-Neuropathic Heredofamilial Amyloidosis

It is characterised by painful spasms which manifest as lockjaw (trismus), facial contortions ( risus sardonicus ), trunkal rigidity ( opisthotonus ), and vocal cord spasms [theneurologylounge.com]

Peptostreptococcus Infection

sardonicus Epidemiology: Spores survive in soil and feces for years, infect an open wound Virulence Factors: bacteria release tetanospasmin, travels in blood and on motor [quizlet.com]

Biochemical ID: Obligate anaerobe, motile, spore forming Treatment: metranidazole, vanvomycin Organism: Bacteria, GP+ Clinical Presentation: Spastic paralysis, lockjaw, risus [quizlet.com]

Familial Progressive Polyneuropathy

Veratrum Album

Risus sardonicus. Mouth.- (Veratrum album) Tongue cold (Camph., Naja) ; dry, blackish (Op., Phos.), cracked ; red and swollen. ( Bell., Rhus tox .) [homeoint.org]

Risus sardonicus. Pustules in face, with pain, as from excoriation, when touched. Acne. Military eruption on cheeks. Bloatedness of face. [homeopathycenter.org]

Familial Amyloid Polyneuropathy

Hyoscyamus Niger Poisoning

sardonicus; all having their eyes starting out of their heads, and their mouths drawn backwards on both sides; others had all the symptoms alike; however five of them did [henriettes-herb.com]

[…] of Hyoscyamus, were seized with most alarming symptoms; "some were speechless, and shewed no other signs of life than by convulsions, contortions of their limbs, and the risus [henriettes-herb.com]

Spinocerebellar Ataxia with Rigidity and Peripheral Neuropathy

Juvenile Paralysis Agitans of Hunt

Guilt sense of Risus sardonicus : Mind. Laughter Face.Risus Lips.Retracted Relaxed feeling in tympanic membrane : Ear. [homeobook.com]

Risus sardonicus refers to an unusual forced “smile” due to facial dystonia and may be seen in Wilson’s disease and other disorders. [neupsykey.com]

Reaction want off Rickets : Bone Curvature Rickets Risus sardonicus : Face.Risus sardonicus Renal colic : Urinary org Kidney colic Retention of urine after labor : Urine Micturition [homeobook.com]

Euonymus Atropurpureus

Sardonicus ; all having their eyes starting out of their heads, and their mouths drawn backwards on both sides ; others had all the symptoms alike. [books.google.ro]

[…] symptoms of being poisoned ; with this difference, that some were speechless, and showed no other signs of life than by convulsions, contortions of their limbs, and the Risus [books.google.ro]

Infectious Enteritis

___ can occur _____ mortality rate Clinical presentation Characterized by strong muscle spasms/spastic paralysis Trismus (lock jaw) first Characteristic grimace known as risus [cram.com]

sardonicus Exaggerated reflexes Opisthotonos: pronounced arching of the back due to spasm of the strong extensor muscles of the back Respiratory failure can occur High mortality [cram.com]

Ring Dermoid of Cornea

Sardonicus Exp: Romania's Sign Exp: )nilateral persistent oedema of upper and lower eyelids Int: (+) Cha"as disease Phys: .ccurs when conBunctiva is portal of trypanasome [docshare.tips]

Retinal &aemorrha"es; #Retinal pi"mentation; Third Eyelid of +or"an'Denny; Trichiasis; 4hite ,upit 9anthelasma; Symptoms;,tosis (acies See parkinsonian %acies; +oon %ace; Risus [docshare.tips]

Sardonicus (aeces' Abnormal Colour Int: ;ar# ' 5ed wine, certain fruits, iron or bistmuth medications 0reenEyellow (excess bile) ' Intestinal hury, bowel infections, starvation [docshare.tips]

Fitz-Hugh-Curtis Syndrome

^ Rhonehus-vibration 141 ^' Rhypia 618 Richter 58 Rickets 473 Ringworm 613, 633 Risus sardonicus 73 Rokitansky 345, 573 Rolling of the head 25 Romberg 168, 500 Rose coid 69 [ebooksread.com]

Western Equine Encephalomyelitis

The horse may develop the characteristic facial expression, called “risus sardonicus” or the “sardonic grin,” which consists of drawn back lips exposing the teeth, nostrils [equusmagazine.com]

Veratrum

Risus sardonicus. Mouth.- (Veratrum album) Tongue cold (Camph., Naja) ; dry, blackish (Op., Phos.), cracked ; red and swollen. ( Bell., Rhus tox .) [homeoint.org]

Tic Disorder

There is no justification for regarding the risus sardonicus of the ancients as a tic. [thesaurus.com]

Nux Vomica

sardonicus • Death may occur due to respiratory/circulatory failure during a prolonged convulsion 1/21/2015 4saurabh bhargava 5. [slideshare.net]

[…] froth, cyanosis – Twitching & tremors of the muscles – Colonic convulsions with gradual increase in contractions – Severe convulsions may cause opisthotonous position & risus [slideshare.net]

Myelopathy

This permanent contraction is the reason for the typical signs of tetanus: risus sardonicus, opisthotonus, convulsion. see also : Tetanus, Tetanospasmin [flexikon.doccheck.com]