Care Plan help Please

I need some help coming up with a 3rd Dx for my pt. The 2 I have completed so far were

Risk for decreased cardiac output and Risk for injury. I can't come up with a 3rd for the life of me.

Here is ALL the pt info I have written on my pt research sheet. I wish I had more but I did exactly as my instructor asked which turns out to not be enough.

86 yr old female; Self care

Current dx: nose bleed, rapid atrial fibrillation

PMH: stroke, bilateral cataracts, atrial fibrillation/flutter, hypertenstion, diabetes, hypercholesterolemia, osteoarthritis, lymphedema, breast cancer, colon cancer

PSH: catract sx, colectomy, partial thyroidectomy, carotid endarterectomy, hysterectomy, joint replacement, R. mastectomy, R hand ORIF due to fx

Social hx: lives with family, no illicit drugs, tobacco or alcohol abuse

Labs: RBC (4.51) Hgb (13.3) Hct (40.1) WBC (5.9) Lymphs (39.9) PTT (112.8) PT (11.3) INR (1.0) Glu (131 H) BUN (13) Creat (0.9) eGFR (74) Na (139) K (3.6) Cl (104) CO2 (28) Mg (1.6 L) Ca (9.2) CK-MB (0.6) Troponin I (

Vital Signs 8am: T: 97.6 BP 153/67 Resp: 20 SPO2: 94 on room air Pulse: 70 Pain: 7/10 (L shoulder from old fx)

Vital Signs 11am: T: 97.2 BP 121/56 Resp: 20 SPO2: 97 on room air Pulse: 68 Pain: 7/10 (L shoulder from old fx)

Diet: Cardiac soft

Meds: Insuling Lispro Humalog, Pantoprazole (protonix), Pravastatin Sodium (pravachol), Saxagliptin HCL (Betapace), Diltiazem (Cardizem) Drip, Robitussin, Heparin Sodium Drip, Morphine Sulfate