75 results
Ramsay Hunt Syndrome - Herpes Zoster Oticus 
Triad:
1. Ipsilateral facial paralysis 
2. Ear pain 
3. Vesicles
Ramsay Hunt Syndrome ... syndromes #RamsayHunt
Ramsay Hunt Syndrome (Herpes zoster oticus) wit Facial Nerve Palsy
Triad: 
 - Ipsilateral facial paralysis
 -
Ramsay Hunt Syndrome ... tongue #Ramsay #Hunt ... #RamsayHunt #Syndrome
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Tolosa-Hunt Syndrome ... neudrawlogy #Tolosa #Hunt
An Algorithm for CSF Shunt Complications
#Algorithm, #CSFShunt, #NSGY, #Neurosurgery, #ddxof
Algorithm for CSF Shunt
Pulmonary Artery Catheter Pressures
Normal: RA 0-8, RV 15-25/0-8, Mean PAP <25, PCWP 8-12, Cardiac Index 2.6-4.2
HFrEF,
Left-to-Right Shunt ... Right-to-Left Shunt
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Right to Left Shunt ... Right to Left Shunt
Differential Diagnosis: Cyanosis - Mnemonic "COLD PALMS"
Peripheral cyanosis 
• Cold 
• Obstruction 
• LVF and shock
sulfhemoglobinemia • Shunt
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Left-to-Right Shunt ... Right-to-Left Shunt
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... - Anatomic Shunt ... - Physiologic Shunt