17 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... in ACL-deficient ... and a chronic ACL ... dr.dold.md #Pivot #Shift ... #PivotShift #test
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Negative) Pivot-Shift ... Test for ACL Knee ... dr.dold.md #Pivot #Shift ... #PivotShift #test ... #ACL #Knee #Injury
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Increased EC shift ... • Exogenous (KCL ... #pharmacology #potassium
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... indicating likely ACL ... #PivotShift #test ... #ACL #Knee #Injury ... PhysicalExam #Sports #Orthopedics
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... • Low Urine Cl ... • High Urine Cl ... hypokalemia #urine #potassium
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... Trauma and Spine Classification ... Anterior column: AAL ... capsule DENIS CLASSIFICATION ... #Orthopedics #diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... Intracellular Shift ... diagnosis #causes #potassium
Orthopedic Fracture Classification - Upper Limbs
Neer Classification of Proximal Humeral head Fractures:
 • 1-part
 • 2-part:
Orthopedic Fracture ... Classification ... Upper Limbs Neer Classification ... Fracture: Fracture shaft ... #Upper #Limbs #Orthopedics
Orthopedic Fracture Classification - Pelvic and Lower Limbs
Letournel Classification Acetabular Fractures:
 • Simple Types: Anterior column,
Orthopedic Fracture ... Classification ... Limbs Letournel Classification ... of Femoral Shaft ... #Lower #Limbs #Orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
proximal ulnar shaft ... ligamentous injury (LCL ... DC with orthopedic ... Diagnosis #Management #Orthopedics