105 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
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
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
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
- Massive PO intake ... High #Magnesium #Table ... #Causes #Management
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... = Peripheral Cause ... Normal Head Impulse Test ... for a PERIPHERAL cause ... #HINTS #PhysicalExam
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 ... clinical #video #physicalexam
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... for a CENTRAL cause ... Vertical #Skew #Test ... #HINTS #PhysicalExam
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... correctly diagnose a case ... that any given case ... implies being able ... #Calculation #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 ... Clinical #Video #PhysicalExam