12 results
Primary and Secondary Causes of Osteoporosis

Primary osteoporosis 
 - idiopathic juvenile osteoporosis 
 -  postmenopausal
Cushing syndrome ... arthritis - osteogenesis ... Ehlers-Danlos syndrome ... - Marfan syndrome ... Secondary #Causes #Differential
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Regurgitation - Differential ... Arteritis, Behcet Syndrome ... Genetic Aortopathy: Osteogenesis ... Ehlers-Danlos Syndrome ... Regurgitation #Differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Mechanical • Aortic ... Subclavian steal syndrome ... #Differential # ... Classification #Table
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Framework Reflex Syncope ... • Mechanical: Aortic ... Subclavian steal syndrome ... #Differential #
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... • Mitral/Aortic ... • Sick Sinus Syndrome ... #Syncope #Cardiology ... #Differential #
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... fracture, Spontaneous osteoporotic ... Referred Pain: • Aorta ... #Back #Pain #Differential ... #primarycare #table
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
Causes of Syncope ... - Differential ... • Sick-Sinus Syndrome ... Obstruction: • Aortic ... #Neurology #Differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... • Cushing’s syndrome ... Hyperthyroidism • Aortic ... #Hypertension #Differential ... Screening #Workup #table
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... disease (e.g., aortic ... regurgitation • Severe aortic ... consciousness • Near-syncope ... , or syncope: Hemodynamically
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... with previously stable ... Coarctation of aorta ... White-coat syndrome ... Workup #causes #Differential