17 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... #PhysicalExam #JVP ... #Cardiology #Neck
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... 160ms) - AV dissociation ... VT #VTach #SVT #Comparison ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Diagnosis Algorithm ... Septic Embolism (e.g ... Fat Embolism (e.g ... Mycotic Aneurysm (e.g ... #Diagnosis #Algorithm
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Algorithm • ... High Uptake: • Graves ... Thyroiditis, Iodine (e.g ... #Diagnosis #Algorithm
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Diagnosis Algorithm ... Syphilis (light-near dissociation ... Pharmacologic (e.g ... #Diagnosis #Algorithm
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Diagnosis Algorithm ... Post-operative neck ... Vit-D degradation (eg ... hyperphosphatemia (eg ... #Diagnosis #Algorithm
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Immunosuppression (e.g ... the body (the neck ... Autoimmune diseases (e.g ... Malignancies (eg ... #differential #
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
gene encoding AVP-NPII ... metastases, Infection (e.g ... Metabolic causes (e.g ... disease, Drugs (e.g ... #Differential
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Lymphadenopathy - Differential ... Diagnosis Algorithm ... • Infection (e.g ... Disease • Head/Neck ... #Diagnosis #Algorithm