35 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 ... dr.dold.md #Pivot #Shift ... #PivotShift #test ... Sports #Ortho #msk
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 ... #PivotShift #test ... #ACL #Knee #Injury ... cruciate #ligament #msk
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 ... #Drawer #Test #msk
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Increased EC shift ... • Exogenous (KCL ... #hyperkalemia #differential ... pathophysiology #pharmacology
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 ... #Orthopedics #msk
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Hypokalemia - Differential ... that is leaky all ... (transcellular shift ... drain wide open all ... #Hypokalemia #Differential
Central Nervous System Pharmacology - Somatic and Autonomic Receptors
Somatic
 • Rocuronium -> Non-depolarizing (reversible competitive inhibitors)
Nervous System Pharmacology ... the levels of Ach ... and Digest” - Ach ... Amy Chung, MD, MSc ... Autonomic #Receptors #Pharmacology
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Shoulder Pain - Differential ... tests for the AC ... Shoulder #Pain #Differential ... Diagnosis #Algorithm #MSK
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Daytime Sleepiness - Differential ... Shift Work) Sleep ... Parkinson's, MS) ... Fatigue #Sleepiness #Differential
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Acute • Myloid (AML ... • Lymphoid (ALL ... Amy Chung, MD, MSc ... hematology #Markers #Differential