19 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Short QT <300-360 ms ... antihistamines, antiarhythmics ... #Approach #ECG ... #EKG #diagnosis
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
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
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... accpcardprn #Antiarrhythmics ... Vaughan #Williams #Pharmacology ... Classification #Classes ... #pathophysiology
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Receptor, Heart Rate ... Resistance, Main Uses ... /kg/min - Milrinone ... /kg/min Internet ... Properties #Table #Pharmacology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
• Syphilis (light-near ... dissociation) • Pharmacologic ... (e.g Opioids, Alcohol ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... #Pharmacology # ... Classification #Classes ... #pathophysiology
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
fractures in elderly Causes ... to the femur ( e.g ... Femur #Fractures #msk ... #differential #causes ... #pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... degrees • Chills, night ... • Vasculitis (e.g ... #differential #causes
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 ... uses a small valve ... specified flow rate