116 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Insufficient blood flow ... SvO2 → Low PaO2 ... → Low PaO2 CYTOPATHIC ... Nick Mark MD @nickmmark ... differential #diagnosis #causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
on POCUS Amazing ... video of a dilated ... significantly, it causes ... for underlying cause ... Jugular #IJ #Vein #POCUS
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... previously flat neck ... PhysicalExam #clinical #video ... #vascular #neck
Nasal Oxygen Delivery Devices
Nasal cannula can be used to deliver supplemental O2. Conventional nasal cannula are
washes out CO2 ... against expiratory flow ... every 10 lpm of flow ... generate high flows ... patients - Nick
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Flow rate of ... • Flow rate of ... permit exhaled CO2 ... retention of exhaled gases ... • Uses either
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Meningitis Severe neck ... stiffness causes ... flex when the neck ... Meningitis #clinical #video
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Meningitis Severe neck ... stiffness causes ... flex when the neck ... Meningitis #clinical #video
Causes of Abnormal Uterine Bleeding

Non-pregnant bleeding that is inegular in timing, frequency, or flow 

Mnemonic: PALM-COEIN
Causes of Abnormal ... frequency, or flow ... NON-STRUCTURAL CAUSES ... Perimenopause - PCOS ... Endometrial causes
Demonstrating Rostral Venous Flow of Caput Medusae in Portal Hypertension

We do the milking method as depicted
Rostral Venous Flow ... depicted in the video ... In this case the ... direction of flow ... abdominal #clinical #video
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
INSPIRED OXYGEN • Low ... average settings • Causes ... HYPOVENTILATION • Rising PaCO2 ... gas equation • Causes ... • Most common cause