9 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... " on lateral x-ray ... common carpal bone ... MH/CCF/CWRU EM ... Carpal #Radiology #XRay
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... Timing: early (distal ... prostatic) #Diagnosis #EM ... #IM #Urology #Hematuria ... #Differential #Algorithm
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... between all carpal bones ... associated injuries: distal ... MH/CCF/CWRU EM ... Carpal #Radiology #XRay
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
at an elbow x-ray ... posterior) and bone ... olecranon fracture, distal ... MH/CCF/CWRU EM ... Elbow #Radiology #XRay
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
disruption (may be bony ... extensor tendon distal ... MH/CCF/CWRU EM ... Finger #Radiology #XRay
Trick of the Trade: Naloxone Dilution for IV Use - Given that many ED overdose patients
Obtain a 1 mL vial ... Draw up 9 mL of normal ... #Management #EM ... #IM #PCC #Naloxone
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... HBV, HCV, HEV, EBV ... function may be abnormal ... NASH, Chronic viral ... hemolysis) • ALP: Bone
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
injury • Gait is abnormal ... decreased muscle tone ... Infections: - Viral ... dysfunction • Abnormal ... differential #algorithm
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... Vital signs: BP ... breaks up the usual ... defaulting to a normal