216 results
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... 4 tests for the ... Direct palpation ... after cross-arm test ... #MSK
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary Defects ... Differential Diagnosis Algorithm ... Afferent Pupil Defect ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Afferent Pupillary Defect ... Optic nerve* (main cause ... neuritis due to MS ... How to test it? ... Afferent #Pupillary #Defect
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... Doppler ultrasound; MRA ... sodium loading test ... saline infusion test ... CT or MRI scan of
Cardiac Murmurs and Maneuvers

An algorithm demonstrating the effect of various maneuvers on systolic murmurs. 
TR, tricuspid
Maneuvers An algorithm ... demonstrating the effect ... stenosis; MVP/MR ... cardiomyopathy; MR ... ventricular septal defect
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Causes of Cyanosis ... Differential Diagnosis Algorithm ... Atrial Septal Defect ... Differential #Diagnosis #Algorithm ... #Causes #Peds #
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Ventricular Septal Defect ... Atrial Septal Defect ... #Causes #Pulmonary
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Syndrome Testing Algorithm ... dexamethasone suppression test ... Urine Free by LC-MS ... Hormone • MRI ... Syndrome #diagnosis #algorithm
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... ab • Genetics defects ... Magnesium #Low #Causes ... Differential #Diagnosis #Algorithm
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... - Quantitative Defect ... - Qualitative Defect ... #Causes #Hematology