8 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis ... Testing - Likelihood Ratios ... #Myasthenia #Gravis ... #LRs #LikelihoodRatios ... #PhysicalExam #
Ice-pack Test for Myasthenia Gravis - Likelihood Ratio (LR) +24 / -0.16
Ice pack's can be used
Ice-pack Test for Myasthenia ... Gravis - Likelihood ... Ratio (LR) +24 ... #Gravis #physicalexam ... #neurology #diagnosis
Cushing Syndrome - Likelihood Ratios of Physical Exam Findings
Moon facies LR +1.6
Central obesity LR +3.0
Generalized obesity
Syndrome - Likelihood Ratios ... striae LR NS Edema ... Syndrome #Likelihood #Ratios ... #LRs #PhysicalExam ... #diagnosis #endocrinology
Dysphagia Differential Diagnosis Algorithm
Oropharyngeal Dysphagia
Structural
 • Tumors
 • Zenker's Diverticulum
 • Foreign Bodv
Neuromuscular Toxic/Metabolic
 • Myasthenia
Dysphagia Differential Diagnosis ... /Metabolic • Myasthenia ... GravisCNS ... Progressive Symptoms • Scleroderma ... #Differential #Diagnosis
Physical Exam findings in Lower Extremity DVT - Likelihood Ratios
 - Asymmetric calf swelling, ≥2 cm
DVT - Likelihood Ratios ... - Tenderness - NS ... DVT #Likelihood #Ratios ... #PhysicalExam # ... diagnosis
Summary of actions of some Cholinergic Agonists

Bethanechol 
• Used in treatment of urinary retention 
• Binds
gravis • Used ... action (0.5 to 2 hrs ... Edrophonium • Used for diagnosis ... of myasthenia gravis ... #Pharmacology #Table
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Lassa fever virus, rabies ... bowel disease, scleroderma ... polymyositis, myasthenia ... gravis, insulin-dependent ... #differential #diagnosis
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Elimination (see Table ... Bicarb<22) - avoid NS ... Exchanges K+ for cations ... #Hyperkalemia #Diagnosis