16 results
Pivot-Shift Test in ACL-deficient Knee

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

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Normal (Negative) Pivot-Shift ... Test for ACL Knee ... #test #ACL #Knee ... #Injury #ACLTear ... clinical #video #PhysicalExam
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
include the Lachman (ACL ... anterior drawer (ACL ... ), Lateral pivot ... shift, Apley compression ... #Sports #Knee #PhysicalExam
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... indicating likely ACL ... #Shift #PivotShift ... #test #ACL #Knee ... clinical #video #PhysicalExam
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Hypokalemia - Differential ... that is leaky all ... (transcellular shift ... #Hypokalemia #Differential ... Causes #workup #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
creatinine) • Cell shift ... • Low Urine Cl ... • High Urine Cl ... urine #potassium #differential ... algorithm #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... Intracellular Shift ... #hyperkalemia #differential ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... Intracellular Shift ... #hyperkalemia #differential ... potassium #high #nephrology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
suspected and anti-ACh ... Myasthenia #Gravis #PhysicalExam ... clinical #video #ophthalmology ... #neurology