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
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 #
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 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
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
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 Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... - Quantitative Defect ... - Qualitative Defect ... #Causes #Hematology