62 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 ... HTO) to correct his ... dr.dold.md #Pivot #Shift ... #PivotShift #test
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... of hypokalemia ... that is leaky all ... (transcellular shift ... drain wide open all
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for ... Thomas' Test ... assesses for hip ... rises off the table ... #sports #msk #orthopedics
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever ... rises from the table ... rise from the table ... #Lellis #Test #Lever ... #sports #msk #orthopedics
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
Positive Varus Stress Test ... in LCL Injury ... Because we saw him ... injury, we are able ... PhysicalExam #Sports #Orthopedics
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... • NSAIDs • ACE ... Intracellular Shift ... differential #diagnosis #causes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization causes ... peaked T waves (best ... #Diagnosis #Hyperkalemia ... #Progression #Table
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... abnormal) in nearly all ... with a peripheral cause ... with a central cause ... a stand-alone test
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... (correction of hypokalemia ... sodium loading test ... saline infusion test ... Screening #Workup #table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Risks factor for HIV ... peripheral blood smear, HIV ... K), H. pylori test ... thyroid function test ... not required in all