127 results
Myositis and Myopathies
#ESR #CK #Differential diagnosis of myopathy 
#Inflammatory #myopathies	#Dermatomyositis	
#muscle weakness
#Polymyositis	
#Inclusion body myositis
#Polymyalgia rheumatica	
#Fibromyalgia	
#Hypothyroid myopathy	
#Muscle stiffness
#Drug-induced
Inflammatory #myopathies #Dermatomyositis ... Fibromyalgia #Hypothyroid ... myopathy #Muscle ... Statin-induced myopathy ... Cocaine-induced myopathy
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Endocrinology #Hyperthyroid ... #Hypothyroid #Function
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Myopathies - Dermatomyositis ... Immune-Mediated Necrotizing Myopathy ... Myopathies #Idiopathic #Myopathy
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Diagnosis #Algorithm #Hypothyroid ... #Hyperthyroid #
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
• Inflammatory myopathy ... , hypothyroid-induced ... polymyositis, dermatomyositis ... Statin-induced myopathy ... - Necrotizing myopathy
Amiodarone Toxicity and Monitoring

Tremor Ataxia 
Ocular neuritis 
Corneal Microdeposits 
Bradycardia 
Pulmonary fibrosis 
Hepatotoxicity 
Blue-gray skin
Photosensitivity Hyperthyroid ... Hypothyroid
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
Hypothyroid Myopathy ... Symmetric, proximal myopathy ... Rhabdomyolysis (rare) #Hypothyroid ... #Myopathy #pathophysiology
Dermatomyositis
A middle-aged man describes progressive difficulty combing his hair and rising from a seated position over
Dermatomyositis ... This is a case of dermatomyositis ... usually indicates myopathy ... AndreMansoor #Dermatomyositis
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-Jo, +Anti-Mi2 Dermatomyositis ... rimmed vacuoles HIV myopathy ... load Drug-induced myopathy ... Gemcitabine Lupus Myopathy ... 5-15% of lupus myopathy