12 results
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
Positive Lachman's ... test used to diagnose ... to the anterior drawer ... The knee is flexed ... #Video #Knee
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
test with the knee ... test is positive ... with the knee in ... diminished with the knee ... classification #diagnosis
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... disease with serology ... is positive Bidirectional ... Non-invasive testing ... Evaluation #workup #diagnosis
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... abnormal) in nearly all ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #HeadImpulse #Testing
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
is difficult to diagnose ... context of complex knee ... ligament injury (PCL ... #Test #Positive ... #Orthopedics #Knee
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
; if positive, test ... for All Types of ... - Positive in ... (to support a diagnosis ... laboratory #workup #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... : - ANCA-positive ... testing: anti-ANCA ... , biopsy By Tess ... #nephrology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
who test positive ... If 100%, then all ... positive tests ... probability of getting ... #calculations #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... smear, HIV/HCV testing ... K), H. pylori test ... (CVID, WAS), (neurologic ... not required in all
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
patients with positive ... testing, in whom ... serology but do ... Latent #Tertiary #Diagnosis ... of Infectious Diseases