1238 results
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... Mimic Inflammatory Myopathy ... Mitochondrial myopathy ... MuscleWeakness #Myopathy ... mimics #diagnosis #differential
Abdominal Distention - Differential Diagnostic Algorithm
Ascites
Bowel Dilatation
Other Causes
Mechanical Obstruction
 • Adhesions 60%
 • Volvulus 3%
 •
Abdominal Distention - Differential ... Dilatation Other Causes ... • Ischemic Myopathic ... Scleroderma • Familial Myopathy ... Abdominal #Distention #Differential
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... Critical Illness Myopathy ... - Inflammatory myopathy ... polymyositis, necrotizing myopathy ... #Elevated #CK #differential
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Sensory Changes - Differential ... Oculomotor • Myopathy ... Sensory #Neurology #Differential ... Diagnosis #Algorithm #Causes
Causes of Constipation - Differential Diagnosis Framework
 • Motility: Diet, IBS-C, Colonic inertia, Pelvic floor disorders,
Causes of Constipation ... - Differential ... , Neuropathy / myopathy ... #Constipation #Differential ... #Diagnosis #Causes
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... sclerosis, Thyroid myopathy ... mass #Diplopia #differential
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Sensory Changes - Differential ... • Congenital Myopathy ... Weakness #Neurology #Differential ... Diagnosis #Algorithm #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Mitochondrial myopathy ... Neuromuscular #Weakness #Causes ... #differential #
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... I am weak": • Myopathy ... Generalized #Weakness #Differential ... #Diagnosis #causes
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
NECROTIZING AUTOIMMUNE MYOPATHY ... syndrome • If myopathy ... statins - probably caused ... ANTI-MITOCHONDRIAL MYOPATHY ... Autoimmune #Myositis #Myopathy