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Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
Scarlet fever • Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure • Diffuse erythematous eruption that generally occurs with pharyngitis - Blanching - Many small (1 to 2 mm) papules -> "sandpaper" quality - groin and armpits -> trunk/extremities - circumoral pallor - strawberry tongue - Pastia lines = petechial lines in the antecubital fossae and axillary folds #Scarlet #fever #diagnosis #clinical #photo #signs #symptoms
Squamous Cell Carcinoma of the Anus (SCAA) - Management Algorithm
New Diagnosis of SCCA
 - Complete medical
Carcinoma of the Anus (SCAA ... EUA - T2w MRI scan ... the pelvis - CE CT ... scan of thorax ... Carcinoma #Anus #SCAA
How to Read Head CT in the ED

"Blood Can Be Very Bad"- A humble mnemonic for
How to Read Head CT ... emergency head CT ... scan interpretation
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Abnormal CXR / CT ... Scan • Structural ... Abnormal CXR / CT ... Scan: • Tumors
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
radionuclide bone scan ... CXRs FDG PET3 scan ... 50 CXRs Head CT ... 200 CXRs Chest CT ... CXRs Abdomen CT
Adrenal hematoma/hemorrhage on FAST exam

Adult male with RUQ/side pain after MVC. Transient prehospital hypotension.  Has
No blush on CT scan ... intra-abdominal injury on CT ... scan.
Dynamic CT Myelograms can help identify the source of spinal CSF Leaks. 
1. Place a sponge
Dynamic CT Myelograms ... Place a sponge on CT ... Set up dynamic scan ... Inject 1 cc & scan
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
infections according to CT-scan ... oxtvmJe1RmlxFFJpzgymkqdNRFOw%3D%3D #CT
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
MRA; abdominal CT ... infusion Adrenal CT ... scan, adrenal vein ... CT or MRI scan of
Intraabdominal Abscess on POCUS

RUSH exam for fever, hypotension, abd pain.  You notice this in RUQ.
See CT scan.