360 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Did they receive antibiotics ... Decreased yield due to antibiotic ... therapy - Number one cause ... of culture negative ... BloodCultures #Diagnosis
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... ) Lachman Test for ... #Lachmans #test ... Injury #Normal #Negative ... #clinical #video
ANTIBIOTIC SUSCEPTIBILITIES IN INTENSIVE CARE

Antibiotic spectra made simple(r). Version 2, now updated with new bugs &
ANTIBIOTIC SUSCEPTIBILITIES ... INTENSIVE CARE Antibiotic ... #Antibiogram #Antibiotics ... #Classes #Bacterial ... GrepMed Recommended Text
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Drugs (antibiotics ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
tests are TN. ... negative: TN / ... true negatives. ... median > mode), negative ... #calculations #diagnosis
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... specificity - Falsely negative ... disease) - May be negative ... HLA-DQ8 - High negative ... #Diagnosis #Workup
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... HACEK • Culture-negative ... epidermidis • Gram-negative ... #Noninfective #Causes ... #Differential #Diagnosis
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test ... (Negative) for ... Simmonds-Thompson test ... #Normal #Negative ... Rupture #Clinical #Video
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... very sensitive diagnostic ... regarding the cause ... Neurology #Clinical #Video
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... of AVS and negative ... with a central cause ... #Diagnosis #PhysicalExam