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Disease Information for Myasthenic syndrome (Pseudomyasthenia)

Clinical Manifestations
Signs & Symptoms: Myopathic facies/snarling smile; Transverse smile
: Dry mouth/Mucous membranes; Slack jaw/inability to close mouth
: Acute Motor Weakness; Bilateral Shoulder Muscle pain/Weakness; Cranial nerve distribution/muscle weakness; Episodic muscle weakness; Head Lag Infant Sign; Hypotonia; Muscle weakness; Muscle weakness/better with repetitive challenge; Myasthenic weakness; Neck weakness/head nodding; Pelvic/limb girdle weakness/bilateral; Proximal lower extremity weakness; Proximal muscle weakness; Shoulder/limb girdle weakness/bilateral; Symmetrical muscle involvement/stiffness; Temporal muscle weakness; Unable to stand up from sitting position; Weak hand grip; Weak/Weak as a kitten (symptom)
: Absent deep tendon reflexes; Fatigability; Grip strength decreased; Hyporeflexia/DTRs decreased; Level of alertness maintained; Limb weakness/signs; Poor head control/infant; Weakness/Diffuse motor loss
: Voice Alteration; Voice Alteration in Elderly; Voice change/disturbance/Unusual
: Chronic Fatigue; Difficulty lifting heavy items; Enervated/extreme acute fatigue; Fatigue; Fatigue Tiredness Exhaustion; Weakness
: Difficulty Closing Eyelids; Difficulty Focusing Eyes; Diplopia Double vision; Lid Lag; Ptosis (blepharoptosis); Unable to Sustain Gaze; Unable to sustain upward gaze; Visual symptoms
Demographics & Risk Factors
Established Disease Population: Patient/Cancer
Diagnostic Test Results
Electrodiagnosis: EMG/Abnormal findings
Associated Diseases & Rule outs
Rule Outs: Dermatomyositis; Muscular dystrophy; Myotonia atrophica; Polymyositis
Associated Disease & Complications: Impotence/Erectile dysfunction disorder; Myasthenic syndrome/Pseudomyasthenia
Disease Mechanism & Classification
Class: CLASS/Motor neuron/unit disorder (ex); CLASS/Motor-end plate disorder (ex); CLASS/Muscle disorder (ex); CLASS/Muscle/tendon/extremities (category)
: CLASS/Neurologic (category)
Pathophysiology: Pathophysiology/Neuromuscular end-plate disorder (ex)
Process: PROCESS/Vegetative-Autonomic/Endocrine (category)
Definition: Be the first to add a definition for Myasthenic syndrome (Pseudomyasthenia)
External Links Related to Myasthenic syndrome (Pseudomyasthenia): Google; Wikipedia; Merck; Images; PubMed (National Library of Medicine); NGC (National Guideline Clearinghouse); Medscape (eMedicine); Harrison's Online (accessmedicine); NEJM (The New England Journal of Medicine)

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