Internal mammary nodes are commonly involved when patients have centrally or medially located tumors compared to tumors of the outer quadrants.

When a rhythm is regular, with narrow QRS complexes, but firing at a rate so fast that you can’t distinguish the P waves to identify it more accurately, you can call the rhythm:

Which of the following is the most important aspect of stroke care?

A positive dromotropic agent will:

The following ECG strip shows a regular rhythm with a QRS complex of 0.11, a rate of 102, a PR interval of 0.16, and one upright P wave before each QRS complex. You should suspect that this rhythm is7600.jpg

Stimulation of a beta-1 receptor in the heart will

Which of the following pharmacological agents used in the treatment of cardiac arrest has positive inotropic, chronotropic, dromotropic, and vasoconstrictive properties?

Which of the following would be the greatest hazard associated with the usage of an artificial external pacemaker?

Second Degree Heart Block is caused by:

Identify the 12 lead.