14 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
different P wave ... • Hypoxia • Pulmonary ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
This EKG was recorded ... #EKG #EmergencyMedicine ... #Cardiology #diagnosis ... #CriticalCare # ... Electrocardiogram #ECG
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... their validity (e.g ... clinical context & EKG ... NPO, or profound shock ... #Management #CriticalCare
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
& Cardiogenic Shock ... Evaluation - EKG ... Nephrotoxins (e.g ... channel blocker (eg ... #HeartFailure #Cardiology
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
endocarditis w/ septic pulmonary ... if suspected (e.g ... block (+/- daily EKG ... of infection (e.g ... Endocarditis #checklist #criticalcare
Clinical Management for Three Common Causes of Shock 
HEMORRHAGIC SHOCK
 • Ensure adequate ventilation and oxygenation.
when possible (eg ... dysrhythmias (eg ... pressure (PEEP) for pulmonary ... reverse the insult (eg ... #CriticalCare
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... SBP drop >40, MAP ... telemetry, 12-Lead EKG ... Tamponade - Pulmonary ... Management #Summary #criticalcare
Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular
atrial tachycardia (MAT ... chronic obstructive pulmonary ... When a number of different ... #Clinical #MedStudent ... #EKG #MAT #MultifocalAtrialTachycardia
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... RESISTANCE = [(MAP ... may have a low ... forward flow. e.g ... catheter #diagnosis #cardiology
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
loose fitting & may ... tight-fitting mask (e.g ... sized to provide a different ... Devices #management #pulmonary ... #criticalcare