61 results
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
for Piriformis Syndrome ... gluteal region is a positive ... #Piriformis #syndrome ... #physicalexam #msk ... #sports #orthopedics
Pace Maneuver for Piriformis Syndrome

With the patient's hips and needs flexed to 90 degrees, the patient
for Piriformis Syndrome ... The test is positive ... Test #Piriformis #Syndrome ... lumbar #sciatica #msk ... #orthopedics #sports
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... : - ANCA-positive ... • Labs: CBC, cr ... , anti-CCP • CXR ... #differential #
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Pediatric Wheezing - Differential ... Diagnosis Algorithm CXR ... : • Asthma* Positive ... Vascular Compression Syndrome ... Wheezing #Wheeze #Differential
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Channelopathies: Long/short ... QT syndromes, Brugada ... Acquired long QT syndrome ... Cardiac #Arrest #cardiology ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... K-ATPase which imports ... - Refeeding Syndrome ... #Hypokalemia #Differential ... potassium #low #pathophysiology
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
are: - Normal in position ... vessels #Diagnosis #Radiology ... #CXR #HilarEnlargement ... #Enlargement #Differential
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive ... Stork test) • XR ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... =>Prader-Willi Syndrome ... fractures • Short ... , sleep apnea, cor ... #genetics #pathophysiology
Vertebral Body Abnormalities

A sheet of common (and uncommon) vertebral body findings, because a completely “normal” spine
Vertebra Hurler Syndrome ... Morquio Syndrome ... Abnormalities #Radiology ... #MSK #Pathology ... Vertebrae #diseases #differential