107 results
Causes of Hypokalemia

Hypokalemia results from abnormal losses, transcellular shifts, or insufficient intake (Table 1).6–8 Abnormal losses
Causes of Hypokalemia ... or insufficient intake ... (Table 1).6–8 Abnormal ... , insufficient intake ... rarely the sole cause
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... arm, empty can test ... diagnosis #sports #MSK
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 ... physicalexam #sports #msk
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
either because of innate ... infection via innate ... tuberculin skin test ... Testing #Results #TST ... IGRA #Spectrum #Table
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test ... Simmonds-Thompson test ... indicating an intact ... Simmonds #Thompson #Test ... #Calf #Sports #msk
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for ... Contracture Thomas' Test ... rises off the table ... , the test is positive ... video #sports #msk
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
- Massive PO intake ... High #Magnesium #Table ... #Causes #Management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Decreased GI Uptake ... - Poor dietary intake ... Low #Magnesium #Table ... Classification #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... Screening #Workup #table
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman test ... That causes the ... #Lachmans #test ... cruciate #ligament #msk