94 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
hyperextension test ... (Stork test) ... vertebrae • Shortened
Cardiac Myocyte Contractile cycle
 - Ca2+ binds to TnC → TnI is inhibited → conformational change
Cardiac Myocyte Contractile ... progressively shorten ... Cardiology #Myocyte #Contractile ... #Cycle #Contraction
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for ... Hip Flexure Contracture ... Thomas' Test ... for hip flexure contracture ... #Hip #Flexure #Contracture
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... perform active contraction ... _ #Clarkes #Test
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
POCUS Stewardship ... Indication → Pre-test ... Step 2: Pre-test ... Develop a pre-test ... assign a final post-test
In a patient in the supine position, raising the leg with the knee extended stretches the
response of muscle contraction ... A positive test ... (Fajersztajn’s test ... in a positive test ... This test is 90%
ICU Hypotension - Evaluation Algorithm

OFTEN Mnemonic:

OWN THE PULSE PRESSURE 

FEEL YOUR PATIENT'S LEGS 

TEST FOR FLUID
PATIENT'S LEGS TEST ... RESPONSIVENESS ECHO/POCUS
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... occurs instead of contraction ... sensitive diagnostic test
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... probability that the test ... identified by the test ... the screening test ... it has a narrow focus
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
tone or voluntary contracture ... • Provocative Tests ... absent anal wink test ... - reflex contraction