53 results
Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
Bradycardias Comparison ... HEART BLOCK #Diagnosis ... #Cardiology #EKG ... #ECG #Bradycardia ... #Table
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
syncope Tests: ECG ... , Carotid U/S, EEG ... #workup #testing ... Effectiveness #table ... #comparison
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Resistance, Main Uses ... #Pharmacology # ... Effect #Management ... #Comparison #Inotropes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 60 (1) Sinus bradycardia ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... effects: Reflex bradycardia ... Vasopressors #Inotropes #comparison ... #table #pharmacology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Bradyarrhythmias • Sinus bradycardia ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table ... #Causes
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... production to cause ... Contraindications: - Bradycardia ... : EKG ($), ECHO ... Testing #cardiology #management
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
), Symptomatic bradycardia ... of shock, HOCM, etc ... Vasopressors #Inotropes #management ... criticalcare #summary #comparison ... #table #pharmacology
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
and Inotropes - Pharmacology ... Risk of reflex bradycardia ... • Higher doses cause ... cAMP/cGMP • Causes ... #Summary #management