13 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... • The cannon a wave ... 2LmUODZ #Cannon #AWaves ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #Cardiology #Neck
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Embolism The sensitivity ... evaluating for other causes ... Drive: • Sinus Tachycardia ... • Dominant R Wave ... #diagnosis #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework ... complex Pulmonary Embolism ... block; and sinus tachycardia ... #ecg #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... No associated P-wave ... , and the T-wave ... Diagnosis: • PAC ... #diagnosis #differential
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... Differential/diagnosis ... Patient has t-wave ... seen in 34% of cases ... #ECG #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
gene encoding AVP-NPII ... uropathy, Metabolic causes ... Treatment is aimed ... Types #Nephrology #Diagnosis ... #Differential
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
shock state) • Tachycardia ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP ... #criticalcare #treatment
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperdefecation • Anterior neck ... diffuse goiter (Graves ... antibodies (TRAb) if Graves ... hyperthyroidism #causes ... #diagnosis #differential