23 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... • V1: Broad & negative ... Flutter #aflutter #ecg ... #cardiology #clinical ... #diagnosis #comparison
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
from positive to negative ... Originates from single focus ... interval Class ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
Vasopressors and Inotropes ... Bradyarrhythmias, Some cases ... #Vasopressors #Inotropes ... #comparison #table ... #pharmacology #
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... entirely positive or negative ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
contraction force (negative ... inotropy) ACCP ... Cardiology PRN ... Vaughan #Williams #Pharmacology ... pathophysiology #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... to maintain a negative ... contraction force (negative ... inotropy) ACCP ... Cardiology PRN
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Algorithm Relative ... (e.g Opioids, Alcohol ... #Differential #Diagnosis ... #Algorithm #Causes
SCAI Pyramid of Cardiogenic Shock Classification
E - Extremis - A patient experiencing cardiac arrest with ongoing
C - Classic - A ... intervention (inotrope ... clinical evidence of relative ... Classification #ABCDEs #diagnosis ... #cardiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... Causes include: ... level <100 pg/ml EKG ... #differential #diagnosis ... #cardiology
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
- Differential Diagnosis ... • Malignancy (e.g ... OTHER RARE CAUSES ... may have false negative ... #cardiology