15 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
- Right Bundle Branch ... with QRS ≥120 ms ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Nephron Pathophysiology - Diuretic Sites of Action
Diuretics
1) Acetazolamide/canagliflozin
2) Osmotic agents (mannitol, urearetics)
3) Loop agents (eg, furosemide)
4)
Nephron Pathophysiology ... ) Loop agents (eg ... Adenosine #Nephron #Pathophysiology ... Sites #Action #nephrology ... #pharmacology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Central cord lesion, e.g ... column lesion, e.g ... vibration and light ... root lesions, e.g ... #Diagnosis #Neurology
Checklist for Treatment of Delirium in the ICU 

Remove causative factors 
 - 
Exclude hypoglycemia if
interruption (e.g ... sleeping, administer pharmacologic ... (e.g. quetiapine ... , titrate to light ... Treatment #MICU #CriticalCare
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... not tolerate a tight-fitting ... mask (e.g. facial ... specified flow rate ... management #pulmonary #criticalcare
Benign Prostatic Hyperplasia: Pathogenesis and Medications
Aging
 -> Increased Testosterone -> Testosterone metabolized into DHT by type
alpha-1 blockers (e.g ... -5 inhibitors (e.g ... Hyperplasia #Prostate #Pathophysiology ... #Medications #Pharmacology ... #Urology
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
Iimitation in the flow rate ... severe hypoxemia might ... filter • N95 mask ... volumes of ~6 cc/kg ... management #schema #criticalcare
COVID-19 Intubation Checklist

Personal protective equipment (PPE)
 • Standard PPE
   • N95 or PAPR.
dose paralytic (e.g ... at least 1.2 mg/kg ... Continue with backup rate ... using BVM: Hold mask ... SARSCoV2 #Management #CriticalCare
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... degrees • Chills, night ... weight loss • Late ... CXR upright or lat ... • Vasculitis (e.g