42 results
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
: Hypertrophic cardiomyopathy ... Familial dilated cardiomyopathy ... Long/short QT syndromes ... , Brugada syndrome ... Cardiac #Arrest #cardiology
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
ataxia), Korsakoff syndrome ... wet beriberi (cardiomyopathy ... cognitive deficits, myelopathy ... diarrhea • Copper - Myelopathy ... with muscle weakness
Hypothyroidism – symptoms and signs.

Symptoms: 
Tiredness/malaise, 
Weight gain,
Anorexia,
Cold intolerance, 
Poor memory,
Change in appearance, 
Depression, 
Poor libido,
Myalgia, Muscle weakness ... Psychosis, Deafness ... of movement, Deafness ... Carpal timel syndrome ... hypertrophy, Proximal myopathy
Etiologies of hypertrophic cardiomyopathy
 - Genetic 
 - Storage diseases 
 - Neuromuscular and mitochondrial disorders
of hypertrophic cardiomyopathy ... - Malformation syndromes ... #hypertrophic #cardiomyopathy ... differential #diagnosis #cardiology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... level of muscle weakness ... anti-synthetase syndrome ... and anti-HMGCR myopathy ... have significant weakness
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
proximal myalgia and weakness ... symmetric muscle weakness ... Guillain-Barré syndrome ... antisynthetase syndrome ... Lambert-Eaton myasthenic syndrome
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... Mitochondrial myopathy ... Neuromuscular #Weakness
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
of Peripheral Weakness ... No Objective Weakness ... Lambert-Eaton Myasthenic Syndrome ... • Congenital Myopathy ... #Peripheral #Weakness
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Paraneoplastic syndrome ... Lambert-Eaton - Isaacs' syndrome ... Myopathy: ... mediated necrotizing myopathy
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... tachycardia, reversible cardiomyopathy ... , Horner syndrome ... Miller Fisher Syndrome ... Guillain #Barre #Syndrome