78 results
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Sensory Changes - Differential ... Neuropathy - Atrophy, Fasciculations ... Myopathy - Proximal muscle ... elevated CK #Peripheral
Muscle Fasciculations on Physical Exam

81 year old patient. History of swallowing disorders, weight loss and muscle
Muscle Fasciculations ... weight loss and muscle ... of the eyelid muscles ... or the proximal peripheral ... #Muscle #Fasciculations
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Sensory Changes - Differential ... Neuropathy - Atrophy, Fasciculations ... Myopathy - Proximal muscle ... infection #Peripheral
Critical and Emergent Causes of Neuromuscular Weakness
CRITICAL DIAGNOSES 
 - Cerebral cortex or subcortical 
 -
Spinal cord - Peripheral ... junction - Muscle ... Spinal cord - Peripheral ... nerve - Muscle ... Neuromuscular #Weakness #Differential
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
observation of the peripheral ... thrombocytopenia, Hematology ... #Diagnosis #Differential
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias - Differential ... Reticulocytes • Abnormal peripheral ... Hemolytic #Anemias #Differential ... Diagnosis #Algorithm #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Pancytopenia - Differential ... BMP, uric acid, peripheral ... studies, PT/aPTT Differential ... #Pancytopenia #Differential ... Diagnosis #Algorithm #hematology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
, muscle atrophy ... twitching (fasciculations ... BULBAR: Tongue fasciculations ... conditions listed in differential ... neurology #diagnosis #management
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
pathology and muscle ... form part of the differential ... LMN lesion, the muscle ... neurotransmitter cause fasciculations ... the spinal cord, peripheral
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal Muscle ... • Central or peripheral ... mimics #diagnosis #differential