6901 results
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
• Most common cause ... media • Important cause ... Diagnosis: • Physical ... Sputum culture (Sensitivity ... in bacteremia (Sensitivity
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... Insipidus (Incr ADH sensitivity ... #Differential #Diagnosis ... #Table #Causes
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Aspergillus (IA) - Diagnosis ... infections are caused ... Galactomannan sensitivity ... associated with low sensitivity ... Aspergillus #IA #Diagnosis
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
non-invasive - High sensitivity ... identify non-calculus causes ... abdominal pain: diagnoses ... for non-calculus causes ... urinary tract: diagnostic
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... present in 15% of cases ... Demyelinating disease caused ... #differential #diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... - Differential Diagnosis ... laboratory or diagnostic ... ischemia (90% sensitivity ... #Differential #Diagnosis
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
TBRF is caused by ... LBRF can be diagnosed ... demonstrating spirochetes; sensitivity ... Given low sensitivity ... can be used for diagnosis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Embolism The sensitivity ... evaluating for other causes ... Embolism #AcutePE #diagnosis
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
and Differential Diagnosis ... Neurological Sx, Sensitivity ... #Headaches #diagnosis ... #differential #causes
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
factor PRES Diagnosis ... sequences improve sensitivity ... Differential Diagnosis ... the underlying cause ... with AEDs until cause