11 results
Diagnostic Testing for Meningitis
History:
 • Triad: Fever, neck stiffness, and altered mental status
 • Sens: 44%
for Meningitis ... Non-specific Kernig Sign ... 95% Brudzinski Sign ... Shake head will headache ... #physicalexam #
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... status changes - Meningitis ... Hypertension with normal ... #signs #symptoms ... #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Symptoms: • Headache ... : • Headache and ... Symptoms: • Acute ... meningeal signs ... established by CSF or urine
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... osmolarity If cause ... investigations abnormal ... clinical context and signs
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Examine for signs ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... neurology #comatose #diagnosis
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... eg, furnaces) Meningitis ... Previous chronic meningitis ... #redflags #signs ... differential #emergency #diagnosis
Newborn Infant - Routine Examination

Birthweight, gestational age and birthweight percentile are noted.
General observation Of the baby's
is also a late sign ... of meningitis. ... If abnormal, this ... are observed for signs ... Newborn #Infant #PhysicalExam
DKA DIAGNOSTIC CRITERIA:
1. Serum glucose >250 mg/dL
2. Arterial pH <7.3
3. Serum bicarbonate <18 mEq/L
4. At least
DKA DIAGNOSTIC CRITERIA ... physiologic stress or acute ... Common, early signs ... than 20 mEq/L (normal ... their loss in the urine
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... bacterial meningitis ... Non-Infectious Causes ... Brucellosis Faget's Sign ... #Differential #Diagnosis
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
Symptoms and Signs ... triad: episodic headache ... • Headache → ... common symptoms and signs ... hypotension (may reflect