11 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram ... nodal conduction Uses ... and atrial flutter ... waves - Short QT ... #EKG #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... WolffParkinson-White syndrome ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... 200ms from longer pause ... #electrocardiogram ... #cardiology #differential
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... Prevalence: 1-2 cases ... autoantibodies - TPO, TTG, etc ... EMG Studies: ... SPS #Diagnosis #Management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... capture of the atria ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... interval J Wave Syndromes ... voltage Other Causes ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... dominant pacemaker focus ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #comparison
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
hypoxemia/Sepsis etc ... / hypoxemia -> focus ... - Compartment syndrome ... ’s • Reduced Arterial ... Neoplasia/Warburg effect
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
feature, PRS can affect ... recent DAN) • EMG ... Goodpasture's cause ... blood retum in serial ... differential #diagnosis #management
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
, parts of the axial ... Rule out other causes ... antiinflammatory properties e.g ... Tetracyclines etc ... Rheumatology #diagnosis #management