34 results
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... Muscle Weakness ... peripheral neurologic disease ... Hydroxychoroquine - Statins ... #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Cardio-pulmonary disease ... • Endocrine Disease ... Dystrophy • Statin ... #Causes
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Obstructive arterial disease ... 10mmHg: • Cardiac tamponade ... • High output states ... Abnormalities #Disorders ... #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Effusion • Cardiac Tamponade ... • Sub-Valvular Disease ... Coronary Artery Disease ... Neuromuscular Weakness
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness ... Myopathy: Drugs (statin ... Polyneuropathy, ALS), NMJ disorder ... Differential #Diagnosis #causes ... #neurology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... • Rheumatic disorders ... • Celiac disease ... or hyposplenic states
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... Proximal Muscle Weakness ... • Bone Marrow Disorder ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... Non-compressive Spinal Cord Causes ... hypercoagulable states ... Sarcoidosis, Behcet disease ... differential #algorithm
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... Non-vertigo Organic Disease ... Anxiety • Panic Disorder ... Lightheadedness #Neurology ... #Causes
Causes of Dementia / Cognitive Impairment - Differential Diagnosis Algorithm

Affecting Multiple Domains
 • Depression
 • Delirium
Decline
Causes of Dementia ... Differential Diagnosis Algorithm ... Paraneoplastic disorder ... CognitiveImpairment #Dementia #Neurology ... Differential #Diagnosis #Algorithm