11 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... Clockwise) Atrial Flutter ... • V1: Broad & negative ... #ekg #electrocardiogram ... #cardiology #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Independent Atrial Flutter ... • Negative F ... Independent #Atrial #Flutter ... #ekg #electrocardiogram ... #cardiology #clinical
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... Bacteria #Etiology #Differential ... #Microbiology #
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... BCNIE #Causes #differential ... InfectiousDiseases #Microbiology ... #CNIE #BCNIE #cardiology
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial Flutter ... up, slow down; "negative ... Counterclockwise #Atrial #Flutter ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Clockwise) Atrial Flutter ... • V1: Broad & negative ... Clockwise #Atrial #Flutter ... #ekg #electrocardiogram ... #cardiology #clinical
Relative Risk of Various Predisoosing Conditions for Infective Endocarditis 
High Risk:
 - Prosthetic valves 
 -
Relative Risk of ... for Infective Endocarditis ... #Infective #Endocarditis ... #RiskFactors #Cardiology ... #Diagnosis #Differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib/flutter ... (2) Atrial flutter ... absent P (2) A flutter ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Marantic (NTBE) Differential ... diagnosis #management #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
>1 of V1-V3 + negative ... Checklist #diagnosis #cardiology ... #electrocardiogram ... #differential