6859 results
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Carina crossover sign ... midline at the level ... Radiology #cardiology #diagnosis
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Hypomagnesemia (Serum level ... Hypomagnesemia #Signs ... #Symptoms #Diagnosis
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
supplemental O2 - Key diagnostic ... closely to MetHb level ... for any MetHb level ... COPD, anemia) #Diagnosis ... Concentrations #Signs
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
NINDS Diagnostic ... sensory symptoms or signs ... dysfunction, Absence of fever ... Sharp sensory level ... nervous system signs
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
function below injury level ... Sensory loss below level ... motor function, level ... Injury #Syndromes #diagnosis ... pathophysiology #signs
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
assessment - Vital signs ... Carboxyhemoglobin level ... Substantially reduced level ... of infection (fever ... #CriticalCare #Diagnosis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
levels, greater level ... heliotrope rash, Shaw sign ... , holster sign, ... /full triad at diagnosis ... Autoimmune #Myositis #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
- Differential Diagnosis ... Acute meningeal signs ... meningitis, and the diagnosis ... meningitis with a diagnostic ... #differential #diagnosis
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
LMN deficit at level ... positive Romberg sign ... sensory deficits at level ... spinalcord #syndromes #diagnosis
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
coagulopathy, decreased level ... CNS infection: fever ... thrombophilia, neurologic signs ... postpartum #Diagnosis